Two prisoners of war, Naib Subedar Sartaaj Singh and Squadron Leader Imaan Khan return to India after being held captive for 17 years by the Pakistani Army after the Kargil War. Their wives live in uncertainty about the fate of their husbands, while a government agent is cynical of their intentions.
Sartaj's father, Harpal Singh celebrates the return of his son, Sartaj. Imaans family too welcomes him. Later, Vikram Singh's head suggests that Sartaj and Imaan be awarded for their bravery.
Sartaj returns home but will it be good beginnings for him and Harleen? Meanwhile, Imaan goes missing. Later, Vikram visits Imaan. Why?
Vikram begins interrogating Imaan and Sartaj about the time they were held captive. Later, he refuses to release the two, even as their wives, wait to take them home!
Nazneen takes the help of the media to put pressure on Vikram Singh to release Imaan and Sartaj. Later, the P.O.Ws are nominated for the gallantry awards. The next day, their families feel proud of the two as they are honoured by the Defence Minister but not all looks good as Vikram spots something unusual in their behaviour. What is it?
Vikram tells Duggal about the code, Imaan and Sartaj are using to communicate with each other. Later, celebrations begin at Imaan’s house. Nazneen sings a song for Imaan following which he remembers the song, that Sartaj would sing, in the Pakistani jails. Later, the two men decide to start afresh.
Imaan asks Salim for advice on connecting better with his daughter, Shaira. Meanwhile, Sartaj carries a drunk Harleen to bed. Vikram goes to Ayaan's college to meet someone to decode the POWs' conversation.
Imaan is invited as a special guest on Nazneen's cooking show. Meanwhile, Mrs. Awasthi agrees to decode the Morse code in exchange for money. While Sartaj’s family has a fun day at the mall, Nazneen sees the torture marks on Imaan's body and tries to deal with her conflict.
Sartaj and Imaan try to get back to normal life. While Sartaj finds himself a job in the regiment, Imaan learns about the latest technology from his son, Ayaan. Meanwhile, Mrs. Awasthi learns about a certain Lala. Who is he?
Harleen is excited about Sartaj’s return, but he is unhappy at work. Meanwhile, Shaira hatches a plan to bring Nazneen and Salim back together. Later, Imaan tells Sartaj about Lala's whereabouts. Is he the mystery man, who spoke about the World Cup, in the jail in Pakistan?
Sartaj learns that he has been duped by Satish. When an officer insults Sartaj, Harleen stands up for him. Imaan, Nazneen, Salim and Payal go on a double date set up by Shaira. Vikram and Duggal finally figure out who Lala is.
Nazneen tries to deal with Shaira pressurising her to reveal her and Salim’s relationship to Imaan. Meanwhile, Vikram gets unofficial funds for a covert mission from Duggal. Hereon, it's going to be a cat-and-mouse game between Vikram and the two bandis.
Imaan is being followed by an unknown person. When Sartaj comes to know about a marriage proposal for Harleen, he humiliates her. Meanwhile, Imaan visits his mother’s house, where all his childhood memories rush back to him. But why does he apologise to Salim?
Salim requests Imaan to not interfere in his personal life. Elsewhere, Sartaj assaults Satish. Meanwhile, Vikram receives information about Imaan from his intelligence officer. Is Imaan working for Pakistan?
Sartaj gets arrested for assaulting Satish. Will his jail memories hound him? After meeting with an accident, Shaira makes a request to Imaan.
Imaan reminds Sartaj about their past in prison. Duggal tells Vikram about Ayaan's hoax call about a bomb in a college. The agents take Ayaan to Vikram.
Imaan decides to stay at Sartaj's house for the Gurpurab festival. Meanwhile, Vikram assures Duggal that Imaan's son, Ayaan has agreed to work for them and will come up with some information! Soon enough, he does.
Indira seeks permission from the Singh family before filming a documentary on Sartaj's life. Meanwhile, Vikram has a task for Ayaan. Will Ayaan go against his father?
While Imaan makes a suggestion to Nazneen for Shaira's birthday, Sartaj agrees to share his experience during his years of captivity in Pakistan for the documentary. Meanwhile, Vikram has a task for Ayaan. Will Ayaan agree to do it?
Suspecting Imaan of spying on her, Shaira introduces him to her boyfriend, Vineet. Vikram and his agents search Imaan's house for evidence and clues. They manage to transfer the data from Imaan's computer. Has Vikram got what he was looking for?
Duggal instructs Vikram to gather the intel on Sartaj and Imaan as soon as possible in order to continue their unofficial operation. Meanwhile, Sartaj talks to Indira about his life in the Pakistani jails. On listening to Imaan's conversation with Ayaan regarding ISI chief, Rashid Jamal, Vikram hopes he will finally find something crucial.
Duggal confronts Vikram for installing the microphone in Imaan's house. Nazneen slaps Shaira. Later, Vikram requests Ayaan to reset the microphone. Will Ayaan reveal the truth to Imaan?
Imaan attacks Vikram for using Ayaan against him. Later, Duggal asks Vikram to stop the operation. Will he?
IB agent Kirti visits Vikram to update him about their secret mission. Meanwhile, there is some good news for Sartaj.
Indira tries to win Sartaj's trust. Shaira reconciles with Imaan and the Khans celebrate her birthday. Nazneen and Imaan decide to marry again. Later, Imaan is shocked to see Dr Nandni Kapoor.
Imaan recalls the time spent with Sartaj in the prison cell. He remembers writing a confession letter to Nazneen before the Kargil war!
Imaan tries to tell Nazneen about Nandini. How will Nazneen react? Even Salim has a role to play in covering up for Imaan. Meanwhile, Sartaj gifts a box of mangoes to Indira.
Mr Sodhi gives the documents of the petrol pump to Sartaj. Later, Indira makes her next move to lure Sartaj to her!
Salim asks Imaan to forget his past and start afresh. Indira succeeds in her plan as Satpal sees her kissing Sartaj. Satpal requests Sartaj not to cheat on Harleen. Is Sartaj ready to face the consequences?
Imaan and Nazneen's wedding preparations are underway. Meanwhile, Salim replaces Imaan's confession letter. Harleen learns about Sartaj's affair with Indira!
Harleen requests Indira to leave the house. Sartaj refuses to accept Harleen as his wife and decides to leave!
The Khans celebrate Imaan and Nazneen's sangeet ceremony. Later, Salim tells Imaan that his confession letter is missing. Where is it?
Sartaj requests Harleen not to leave the house. Meanwhile, Salim destroys Imaan's letter. Later, Imaan is stunned to discover that his mother is aware of his confession!
Imaan becomes speechless when he learns about Nazneen and Salim. He holds himself responsible for the situation and tells a lie to Naz.
A heartbroken Nazneen confronts Salim for hiding the confession letter. Meanwhile, Sartaj's decision to leave the house shatters Harleen.
Harleen and Nazneen decide to move on with their lives. Later, Kirti is caught lying and Sartaj starts suspecting her. Will he find out about Vikram?
After much contemplation, Nazneen demands for a divorce from Imaan. Coincidentally, Sartaj too requests a broken Harleen to sign their divorce papers before his departure from the house.
Sartaj and Imaan's respective families visit the Ministry of Defence 17 years ago, inquiring about their whereabouts, to which the government responds with a 'missing in action' report.
Harleen agrees to sign the divorce papers, but demands to meet Indira before she does so. Meanwhile, Imaan reminisces the past and bids goodbye to his family before resentfully leaving the house.
Harleen asks Sartaj to take up the responsibilities. Meanwhile, Imaan tells Salim that he has left home.
A dejected Nazneen confronts Sartaj for deceiving Harleen, while he tries to prove Imaan's innocence to her. Later, Imaan is shocked to receive a call from Lala.
Imaan makes Nazneen realise her love for Salim, while Satpal asks Sartaj to take up the responsibility of his family. Later, Lala threatens Imaan to follow his orders.
Salim is admitted to the hospital after an accident. The doctors inform Imaan and Nazneen about his critical condition. Imaan tells Sartaj that the accident was planned and informs him about the threat call from Pakistan.
Vikram tells Imaan that Salim's accident was pre-planned. He tells Nazneen that he suspects Imaan and Sartaj's motives. Later, Imaan agrees to follow Lala's instructions.
Lala asks Imaan to open a bank account in an international bank. Imaan is shocked to learn that Lala is tracking him, while Vikram spies on Imaan. Later, Sartaj informs the family that they are in danger.
Imaan lies to Nazneen about the bank account and the money deposited in it. Lala assures Imaan that their phone calls cannot be tapped or traced. Later, Vikram asks Kirti to spy on Imaan.
Vikram and Kirti discuss about Imaan and Sartaj's connection with Lala. Later, Lala instructs Imaan to park a car loaded with explosives outside the NSA office.
Vikram suspects Imaan and asks Kirti to follow him. Meanwhile, Lala instructs Imaan to enter the NSA office with the explosive-laden car.
Harleen goes to check on Sartaj. Later, her car breaks down on the way. Imaan enters NSA and offers a bouquet to Duggal. Will he leave the explosives at the NSA?
While Imaan is relieved when the doctor tells him that Salim's surgery turned out to be successful, Sartaj sets out to rescue Harleen. Will Salim get well or succumb to his injuries?
The Khans mourn Salim's death. Shaira and Ayaan are dejected on recalling the moments they spent with Salim. Later, Sartaj and Satpal visit the Khans.
The Khans perform Salim's last rites. Vikram tries to track Sartaj and Imaan's activities. He suspects Sartaj and asks Kirti to spy on him. Later, Sartaj receives a threat note.
Sartaj refuses to take police protection for the family and asks Indira to leave the house. Later, he tells Imaan that he has planted the RDX at NSC on Lala's instructions.
When Imaan confronts Sartaj for planting the RDX at NSA, the latter attacks him to stop him from meeting Vikram. Later, Sartaj reveals how he had to follow Lala's instructions. Will they take Vikram's help?
Imaan and Sartaj reveal to Vikram about planting the RDX at the NSA. Kirti attacks Lala's associates, while Duggal learns about the bomb. Can Vikram defuse it?
Vikram refuses to allow Sartaj and Imaan to accompany him to the spot where the bomb is planted. Meanwhile, the bomb squad reaches NSA to defuse the bomb. Will they defuse it in time?
Imaan and Vikram suspect Lala of having hidden the bomb somewhere else. Later, Kirti shoots Lala's associate and reveals her real identity to the Singhs.
Avi tells Imaan that he had delivered the bag to a person at the nursery. Later, Vikram learns that the bomb is hidden in a tree and informs this to the defence minister. Will he be able to locate the bomb?
Vikram finds the plant containing the bomb and replaces it, while the bomb squad successfully defuse the bomb. Later, Vikram lies to the defence minister about Sartaj and Imaan.
After returning home, Imaan and Sartaj tell their wives about the torture they had to face in the Pakistani prison. Later, they confess to Vikram that Sartaj had to kill Lt. Siddhant Thakur to save Imaan. Is Lt. Siddhant related to Vikram in any way?
Imaan and Sartaj tell Vikram how they met Siddhant. Later, Sartaj confesses to Vikram of killing Siddhant to save his and Imaan's life.
Shobha refuses to believe that Siddhant is dead. She recalls memories of how Siddhant had brought her closer to Vikram. Later, she expresses her desire to meet Imaan and Sartaj.
Shobha fumes at Sartaj and Imaan when she meets them. Later, they recall their past with Siddhant and carry out his last rites.
Lala rescues a severely injured Siddhant and takes care of him. While the others have doubts about Siddhant, Lala is adamant. What will Siddhant's decision be?
Tormented by Sartaj's rejection and Hussain's death, will Siddhant join Lala's terrorist group and betray his own country?
Lala chooses Siddhant aka Sadiq to carry forward his responsibilities. The unhappy members of his council suggest that he appoint Yousuf as their leader, instead. What will Lala decide?
Sartaj apologises to Harleen for his mistake. Meanwhile, Imaan and Nazneen sign the divorce papers.
Sadiq asks his associates to activate the sleeper cells and initiate Operation Badshah. Meanwhile, Shobha offers a job to Imaan in her NGO.
Yousuf assaults a shepherd for passing information to the Indian military. However, an enraged Sadiq takes a more violent route.
Sadiq's associates throw the shepherd's dead body across the L.O.C. Arjun asks Sartaj to show Harleen her favourite film to win her back. Imaan shares his experience during his captivity with a support group.
Vikram refuses to become the National Security Advisor. Meanwhile, Lala asks Sadiq to launch Operation Badshah. Later, Duggal shows Vikram the taviz found on the shepherd's corpse.
The Khans attend the inauguration of the Singhs' petrol pump. Sartaj asks Harleen to inaugurate the station. Later, he shares his feelings with Harleen and destroys the divorce paper.
Sadiq informs the council members about his plan to abduct Rishi and Om Thadani. Later, Vikram tells Imaan about the Morse code and suspects that Siddhant is still alive.
Vikram informs Govind that Siddhant possibly needs their help. Later, Govind asks Duggal and Vikram to make a plan to rescue Siddhant.
Imaan refuses to allow Nazneen to go to the literature festival in Karachi. Meanwhile, Nazneen is shocked to see her approved permit for the fest.
Vikram tells Imaan and Nazneen that he needs a mole who can contact Siddhant on their behalf. Yousuf gets injured in a bomb blast.
Yousuf accuses Sadiq of planning the bomb blast. Meanwhile, Vikram tries to convince Nazneen to visit Karachi. Will Nazneen change her decision?
Imaan confronts Vikram for convincing Nazneen to work as a mole. Afreen decides to take Lala to Karachi to admit him to the hospital.
Afreen admits Lala to the hospital in Karachi. Meanwhile, Vikram tells Nazneen that Siddhant might try to contact her and asks her to destroy the evidence.
Yousuf informs Sadiq and Lala about his plan to kill Nazneen. Later, Nazneen tells Imaan, Vikram and Sartaj about a chit she has found in a capsule.
Vikram tells Duggal about Siddhant's message. Nazneen informs Imaan that Siddhant didn't come to the art gallery. Later, she is stunned to see him in her hotel room!
Siddhant kills Yousuf's associate and informs Vikram about his plan. Meanwhile, Yousuf and his men open fire in the hotel and search for Nazneen.
While Siddhant wishes to kill Lala, Nazneen boards the flight and waits for him. After learning Afreen's truth, will Siddhant betray her to return to India?
Siddhant escapes after murdering Lala. Vikram and Sartaj try to save him from being tracked by Yousuf. Will Siddhant triumph in this dangerous endeavour?
Vikram thanks Nazneen for helping them to save Siddhant. Later, Vikram apologises to Siddhant for his mistake during the Kargil war.
Siddhant's return leaves Shobha speechless. She feels uncomfortable when Siddhant agrees to attend the press conference organised for his felicitation.
Siddhant is awarded Seva Padak for his bravery. He shares crucial details about the training that takes place at LOC.
The Singhs organise a party for Siddhant's victory. Later, they find another reason to celebrate.
Afreen learns from Lala's last message that Sadiq did not murder Lala. Later, Sartaj begins to suspect Siddhant!
Afreen manages to retrieve the memory card, while Siddhant reads a shocking news. Yousuf is adamant on accomplishing Operation Badshah.
Avi is released. Shaira takes care of his security. Meanwhile, memories haunt Siddhant when he meets Rohan.
Vikram is appointed the new National Security Advisor of India. Meanwhile, the doctor has good news for Harleen!
Yousuf learns that Afreen is pregnant. Meanwhile, Shaira is determined to kill Avi. Can Nazneen and Ayaan stop her from committing this crime?
Imaan suspects Siddhant when he sees him in the mosque. Later, he learns about the surgical strike by the Indian army with Lieutenant Siddhant Thakur as the primary informant.
Siddhant is appointed as the security-in-charge of the famous industrialist, Mr. Thadani. Later, Siddhant has a talk with Afreen.
Siddhant catches Imaan looking for clues in his room. What is Siddhant hiding?
Siddhant takes the responsibility of Thadani’s security. Meanwhile, a suspicious Vikram decides to spy on him.
Vikram, Imaan and Sartaj get closer to figure out Siddhant's true identity. Will Vikram crack the connection?
Vikram discovers a compelling evidence against Siddhant and calls for an emergency manoeuvre. Meanwhile, Yousuf manages to locate Afreen.
Vikram sets out to trace Ibrahim Sheikh to find out Siddhant's plan. Meanwhile, the preparations for Operation Badshah are underway!
Sadiq initiates Operation Badshah. What demands does he have in store for the National Defence Council?
The video conferencing begins. Explaining the motive behind his actions to Vikram, Siddhant wants his demands to be met in 30 minutes. Will India accept it?
A shooter murders Yusuf. Meanwhile, Siddhant demands 10 million dollars from the Indian government.
Afreen is overwhelmed to see Hussain alive. Meanwhile, Siddhant's true motive for Operation Badshah is revealed.
Imaan requests permission for a SWAT team attack on Sadiq and his men. Meanwhile, Sartaj infiltrates the terrorists in the hospital.
After rescuing the hostages and Harleen, Sartaj goes to fight the terrorists. In the course, he triggers the bomb attached to his body!
Sadiq demands a live satellite link after failing in his mission. He gets into a video call with Afreen, and his mistake finally dawns on him. Meanwhile, Imaan and his team set out to catch Sadiq.
Three months later, Vikram recalls the moment when the POWs had returned to India. Harleen receives Sartaj's posthumous award for his bravery.
Vikram reminisces various situations in which Imaan helped him and recollects some things which haunt him about Imaan. Later, Imaan receives an award for all his contributions.
The whole story about how Siddhant, a prisoner of war turns into Sadiq, an enemy of the state, is revealed. Later, Afreen meets Shobha for the first time.