Series Premiere. A seemingly routine murder investigation by the LAPD Robbery-Homicide Division is interrupted by the arrival of Deputy Chief Brenda Johnson, the new head of the LAPD’s Priority Murder Squad. An outsider from Atlanta in her first week of service, Brenda has already begun to face the resistance of long-time high-ranking officers, particularly Capt. Taylor of Robbery Homicide, as well as the questionable confidence of her own squad, who have decided to request transfers en masse. Only her assistant, Sgt. Gabriel, seems willing to try to work with her. Determined to show them what she is capable bringing to the Squad, Brenda embarks on the investigation undeterred. Her victim is a woman killed in the home of technology genius with the secret to a multi-million dollar piece of software, found by his quiet, religious assistant. Drawing on the skills of her officers, particularly Lt. Tao’s forensic and technological talents, Brenda soon discovers her victim may be more than meets the eye. But when a former flame, Agent Fritz Howard of the FBI lends a hand, both her investigation and her private life take unexpected turns, leading her to a startling conclusion to the case. In the end she proves to the Squad she is, as billed, a closer.
Brenda and the team must investigate the murder of high-profile model Heather Kingsley, who dies as a result of nicotine poisoning, applied to her scalp via her hair conditioner. Suspicion quickly falls on her movie-star husband, Dean, whose philandering ways and false claims of a pre-nuptual agreement make him the likely killer. As Brenda investigates, she is drawn into the world of celebrity beauty, where illusion is everything, and the standard high. When she undergoes a make-over to meet the Dean’s discarded lovers one-by-one, each of whom appears to have a motive to murder, Brenda realizes there may be more to this case than a man trying to get out of a marriage. At the same time, she is slowly seduced by the superficial glamour, which seems to impress her colleagues, and Fritz. As the real killer emerges, Brenda comes to the realization that she can only be who she is, and that the rest is just an illusion.
Brenda must fight for justice for two Russian prostitutes murdered by the illegitimate son of a Russian mafia figure whiles she overcomes the prejudices of a department who sees one dead prostitute as pretty much the same as another. As she does, she confronts her own prejudices, and discovers the justice for these women is scarce in a world dominated by men. When the FBI steps in to take over the investigation, she shows the stern stuff she's made of, using highly unorthodox methods to finally bring the murderer to an unusual form of justice. Meanwhile, Brenda's relationship with Fritz takes a new direction, as the FBI's involvement in this case hints at the challenges that will come when they must balance their work and professional lives. At the end of the episode, Brenda purchases one of the dead girl's house, and finds herself the owner of a cat she doesn't want, but who has ideas of its own.
Brenda and the Priority Homicide Team investigate a sniper who is killing gang members in and around MacArthur Park. Offering assistance is an ex-Army colonel who believes the sniper to be his son. As an all-out gang war looms, Brenda tentatively accepts his assistance, but as her investigation progresses, Brenda's doubts about the Colonel's motives grow. With Fritz' assistance, she realizes the Colonel is not there to help, but to help his son escape. The two face off in the dark on a Los Angeles rooftop, leading to an unexpected outcome. Elsewhere in the story, Sanchez' prior service with the Rampart Division CRASH gang squad allows him to play a pivotal role in the investigation as he briefs the squad on gang activity in the area, goes undercover as a gang member and assists with interrogations. Brenda's tense relationship with Taylor seems to relax, then abruptly grows tenser when a stake-out goes wrong. Gabriel becomes increasingly loyal to her, but Flynn and Provenza continue to resist her methods, dubbing her "Miss Scarlett."
Brenda enters the high-stakes world of pharmaceutical research, when a drug trial for new anti-addiction medication lead to the death of one of the principal investigators. Nothing is quite as it seems as she investigates the high-powered president of the drug company sponsoring the trial, the seemingly easy-going psychiatrist and the teenaged participants in the study. Too soon, one of the teenagers falls victim to manipulation of the medication, and Brenda untangles a web of exploitation of the young victims leading to an unlikely criminal. Meanwhile, Flynn ratchets up his efforts to undermine Brenda's authority, first by going over her head to Pope, and then, when that fails, by unearthing a groundless ethics investigation Brenda faced in Atlanta. On the personal front, Brenda's relationship with Fritz heats up, much to Provenza's delight!
Brenda finds herself the unexpected victim of violence against women when she investigates the murder of a congresswoman's daughter. At first, it appears the victim was engaged in sexual activity online that included an invitation to violence. But as Brenda and the team investigate the world of online solicitation of sex, they discover just how vulnerable to abuse women are, and how easily the web can be used for revenge. In the end, Brenda finds a killer bent on revenge, and saves the victim's reputation, but not without paying a terrible price herself.
When a judge is murdered in Griffith Park, Brenda's investigation takes an unexpected twist. Her best witness, or perhaps her prime suspect, is his teenaged son with autism. Challenged by the boy's behaviors, but convinced he has the clue to unraveling the case, Brenda must try to understand his disability, and thereby learn what he knows. Meanwhile, she must keep his mother, and the child protective system from taking custody of the boy, limiting her access to him, and the killer.
When a gay man is murdered, seemingly the latest victim of a string of hate crimes, Brenda must confront prejudices inside and out of the LAPD. But when the perpetrator of the crimes turns out to be something quite different than expected, and has an alibi for the latest murder, Brenda must dig deeper to discover if this crime is part of the string, or a crime of passion disguised as a hate crime. Meanwhile, Flynn and Taylor step up their efforts to undermine Brenda once again, but with unexpected effects, as the team begins to rally around Brenda. Provenza's quirks begin to emerge, and we meet Terrence Hynes, a County Coroner's Forensics Support worker with an odd sense of humor. On the home front, Brenda finds herself with some new charges when her (male) Kitty has kittens.
The murder of an adolescent girl from Mexico, found dead in the Los Angeles River, proves difficult and painful for Brenda and her team. At first, a known sex-offender seems the likely candidate, but questions arise about why the girl and her mother were brought to the US, leading the investigation in another direction. Soon, the girl's backpack suggests the girl's uncle or the family for whom the mother worked may have been involved, A search of the house suggests one of the family is the murderer, but which one? An end-run by the family, determined to protect the killer, takes Brenda to Mexico, where she must use all her resources, Fritz and Mexican law to finally bring the killer to justice. The usually cantankerous Dr. Crippen shows his softer side as he briefs Brenda following the autopsy, in a scene representative of the way in which the violent death of a child impacts the police.
Three wealthy, spoiled and unruly children become the target of Brenda's investigation when their stepmother is murdered and the family butler seemingly commits suicide shortly thereafter. Riding heard on the trio is their family attorney, who cleans up their messes and provides them with alibis. Convinced the butler was actually murdered, Brenda sets out to discover which of the children committed the murders, and finds the real killer was someone altogether different!
Brenda finds herself at odds with the FBI in a struggle to gain control of the murder investigation of a well-known businessman. Deciding to work in tandem, Brenda finds herself working directly with Fritz, who was assigned to the case. After discovering that the FBI has ulterior motives in the investigation, Brenda's relationship with Fritz is put under further strain.
Brenda and her team must find not only a killer, but also identify the killer's victim when a deranged, homicidal madman is set free due to mistaken identity. Trying to make sense of an array of complexities in this unusual case, Brenda comes across what may be another betrayal by a member of the Priority Homicide Division. The case takes an even darker turn when Brenda becomes the center of the psychopathic killer's attention.
An unnamed source files a grievance against Brenda in the midst of a high-profile investigation of a murdered L.A. filmmaker. With her career on the line, Brenda is skeptical of Chief Pope's intentions when he volunteers to help. In classic Brenda style, she spurns the accusation, refusing to suppress her demeanor in deference to the complaint. In response to the situation, the PHD team comes together to act in unison, sending shock waves through the entire department.
Brenda finds herself involved in a cover-up of her own when she helps the PHD investigate a non-priority case. Why? Because the deceased woman was found in Provenza's garage. Once again, the team finds themselves racing against the clock before the LAPD brass discovers what they're up to. Will Brenda be able to protect her team and their hard-earned trust?
Brenda and the team find themselves wading through a long list of suspects when a celebrity photographer takes a fatal fall from his hotel room balcony. Once the cause of death is determined, the motive points to a big time actor with something to hide. In the meantime, Brenda starts to feel like Fritz is behaving strangely, making her realize that superstars may not be the only ones who have secrets to keep.
When a few body parts of an "adult film" star are found in a dumpster, Brenda and the team must scramble for more pieces to solve this puzzle. Once they begin putting things together, the suspect list seems to get longer. Adding more questions to her life, Brenda also finds herself making a potentially life-altering discovery.
Leaving the scene of an accident to get to a multiple homicide scene, Brenda finds herself unable to drive the streets of L.A. which she worked so hard to learn. Once she gets to the crime scene, she and the PHD are faced with another challenge: the murdered bodies are nowhere to be found. In order to solve this case, they must first search for the victims before they can hunt for the killer.
Brenda and Fritz have a hard time agreeing who is in charge when an informant's wife and and FBI agent are both murdered. Brenda discovers that she and the PHD must work quickly when the leading witness in the case is scheduled to testify against a powerful mobster. When the killer's identity is uncovered, the PHD finds themselves under attack; an attack that takes someone down.
Resulting from the showdown in the murder room, Brenda finds herself taking some involuntary time off. When she is asked to help a friend solve a murder that is linked to a terrorist group, Brenda works to find the killer and still keep it under wraps. Meanwhile, Commander Taylor jumps at the chance to break apart the PHD while Brenda is away.
Glad to be back with her team, Brenda focuses on finding a terrorist-linked suspect. Working with the CIA, who also wants their hands on this suspect, Brenda realizes that she was given false information, and wonders if she's been set up.To prevent herself and the PHD from falling prey to a sinister plan, Brenda must untangle a web of lies to determine who she can trust - before it's too late.
In the third-season opener, Brenda and the team investigate the grisly slaying of a family, and the only survivor is the drug-addled teen son. Meanwhile, a financial crisis rocks the LAPD, bringing about budget cuts, numerous changes --- and possibly Provenza’s early retirement. And Fritz hopes to move into a new house with Brenda.
The body of a long-dead murder victim is uncovered along with Lt. Provenza’s business card, setting off the squad’s search for his identity and killer. When the bullet is traced to a gang weapon that had been turned into the LAPD 15 years prior, Deputy Chief Johnson is forced to contend with political activist Father Jack.
Brenda and the PHD investigate the murder of a personal trainer who was involved with the wife of a possessive husband with a temper. Complicating the investigation: their only witness is the man's frightened valet, who also has OCD. Brenda must also solve the murder while sharing her squad with Homeland Security.
Still experiencing the strain of her case, Brenda finds herself under another time crunch when she must disprove a questionable alibi within 48 hours to prevent the investigation from falling flat. As Brenda searches for the truth in her case, she discovers some inside information that may have an unfortunate effect on her relationship with Fritz.
When a massive fire breaks out in Griffith Park, Priority Homicide is on hand to help. But when an unidentified dead woman's body is found in the center of the scene, Deputy Chief Johnson is doing a lot more investigating then directing traffic. Meanwhile, Brenda and Fritz are living in a small apartment and getting on each other's nerves.
Brenda and the team are called in to investigate the questionable disappearance of a shady financial investor. The team is a mess with Daniels now in another division, Gabriel doing double duty, and Provenza with behavior more curious than usual. In the meantime, Brenda and Fritz deal with a sick Kitty.
When an internet matchmaker is murdered, the team finds themselves investigating the matchmaker's early-stage television show. Adding to the craziness is a fake officer, who turns everything upside down. In an effort to school himself on the inner workings of Brenda's group, Pope decides to work as one of the team.
Brenda must reopen the case of a murdered psychiatrist when the man claiming to have committed the crime gives a statement that doesn't quite match the actual events. Based on evidence of the man's acquaintance with the doctor, Brenda believes there is a cover-up and sets out to unearth the truth. Willie Rae throws a roadblock in her path when she pops in for a visit, which actually appears to be an attempt to dump Brenda's handful of a niece onto the newlyweds during for the duration of summer break.
The team digs through several suspects that surface after a man's body is found inside an oversized box. Brenda finds the case the perfect platform to play the role of teacher to Gabriel as he prepares for his detective exam. When Brenda's niece, Charlie, gets out of hand, she and Fritz must consider ending her summer vacation with them.
Caught in the crossfire of a shootout, two people end up dead and one remains in critical condition. Now Brenda and the team must figure out the the intended crime and the intended victim in order to determine the perpetrator. Brenda and Fritz disagree as they continue to struggle with Charlie, and Provenza drastically alters his lifestyle.
The conviction of a woman found guilty of poisoning a banker is overturned when a laboratory essential to proving the case comes under scrutiny. The subsequent re-trial forces Brenda to ask Provenza's former partner for help tying up loose ends. Unfortunately for the team, more scrutiny occurs when they all discover Provenza's former partner is no longer the man he used to be. The importance of the case may ruin Brenda and Fritz's planned vacation.
After a man is murdered while taking pictures of the stars from his balcony, the squad suspects the crime is somehow connected to the woman with whom he was having an affair. But their investigation is hindered by a missing murder weapon, as well as the difficult adjustment of moving into a new office.
A bank robbery supposedly committed by a known gang of thieves leaves a security guard dead. It also leaves a lot of unanswered questions about the prime suspects and why this latest robbery doesn't fit their regular pattern. Meanwhile, Pope gets some news about his chances at becoming the city's police chief.
The murder of two paramedics leads the LAPD and the FBI on separate investigations on a case that could be the precursor to a major terrorist attack. But Brenda fights to remain a step ahead, even though she's forced to work with the counter-terrorism unit's Chief Tommy Delk, who happens to be one of Brenda's fellow finalists for the job of Chief of Police.
Brenda and the squad investigate the owner of a hip-hop record label when one of his rap artists and six innocent bystanders are gunned down. The case hits home for Gabriel who knows two of the victims from church. Meanwhile, Chief Delk is getting ready to announce the department’s new organizational chart just as Brenda becomes the target of a civil suit against the police department.
Brenda can't understand what led to a father's disappearance just as his daughter's single was about to hit the charts making her famous very quickly. Brenda has an opportunity to make her lawsuit disappear by settling with the family that brought it against her but that deal may not be as good as everybody hoped it would.
In the series finale, we bid a final farewell to Brenda Leigh Johnson. When a young man calls 911 to report seeing someone being buried in Griffith Park, police find not only her remains, but those of several other women who were kills as far back as two years ago. Brenda immediately suspects Philip Stroh and, despite departmental restrictions, sets out to finally tie him to the murders. Meanwhile, the witness who called 911 makes Brenda look at her life and future.