When a Mumbai drug baron’s brother is nabbed by the police, a team of Narcotics Control Bureau (NCB) officers attempt to get him in their custody.
As Ansari plots to move his base abroad, the animosity between Brinda and Mahendra threatens to foil a major NCB drug bust.
When Wasim is granted bail, Usmaan is ordered to shift his focus away from Ansari and conduct other drug raids across Mumbai to boost the NCB's image.
The NCB pursues a tip that Brinda receives about a drug consignment, but things seem suspect when one of Ansari's men is seen near the delivery site.
As India and Pakistan cooperate to fight the drug trade, Brinda attends a Delhi conference, Joseph Pinto escapes custody, and Ansari heads to Dubai.
On her way back to Mumbai, Brinda grows suspicious when she sees Raja, Ansari’s right hand man, at the Delhi airport.
Brinda stays in Delhi to investigate Ansari's involvement in Tripathi's murder. Bose and Usmaan disagree on whether to pursue Brinda's lead.
Mahendra lands in Delhi to help Brinda. Usmaan’s raid of Khalid’s warehouse gets intense. Wasim’s interaction with Rati derails Ansari's plans.
Mahendra and Brinda head to Chamba. Wasim is keen to prove his worth to Ansari. The Directorate of Revenue Intelligence seeks to outdo the NCB.
With plans for Dubai derailed, Ansari shows Wasim the ropes of the drug trade. As the NCB tries to stay ahead of the DRI, progress is made in Chamba.
Brinda and Mahendra face trouble when their pursuit of Raja risks two lives and threatens to blow their cover. Musa and Ansari have a falling out.
After the botched mission in Chamba, Mahendra is hailed as a hero while Brinda takes the heat and suffers consequences. Wasim makes a daring proposal.
The NCB hatches a plan to begin electronic surveillance of Ansari’s activities. Kartik tries to stand up to Usmaan on behalf of a discouraged Brinda.
As the NCB seeks new ways to locate Ansari’s new distribution den, Brinda participates in the execution of a dangerous search warrant.
Usmaan begins investigating stolen cell phone activity in hopes of uncovering Ansari’s whereabouts. Brinda’s operations lead to a large raid.
When news arrives of Ansari’s new consignment, the NCB is determined to intercept the shipment, but their mission may be compromised.
With the NCB and the DRI both trailing the truck containing his drug shipment, Ansari attempts to throw them off track, with surprising results.
After a colleague's untimely death, the shaken NCB officials suspect foul play by Ansari. A distraught Mahendra has a tense encounter with Ashwini.
Wasim proposes a new business strategy. Usmaan devises a plan to nab Ansari.
Damaging information against Ansari emerges, but Mahendra is excluded from the investigation. Ansari learns of the joint task force targeting him.
Brinda struggles with her relationship. While Mahendra and Siddiqui work to amass finances, Usmaan and Brinda receive tips from an unlikely source.
After arresting a member of Ansari’s gang, things look promising for the NCB, until politics interfere and the team is asked to let the DRI take over.
After interrogating Rati in the hospital, NCB learns that Ansari has left India, leading the DRI to suspect that a rat has helped the kingpin escape.
Mahendra learns the location of Ansari’s dealer and goes after him. Realizing Mahendra could be in danger, Brinda faces a difficult choice.
After sharing details of Ansari’s dealer with Usmaan, Brinda orchestrates a dangerous plan. Rati shares crucial information with the NCB.
While the NCB pursues Wasim, Brinda helps Mahendra escape the DRI, leaving behind a mortified Ashwini. Usmaan has a long-awaited encounter.