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.

When two Catorce gang members are shot to death, Brenda and her squad must solve the murders before a gang war erupts. Meanwhile, Brenda has her own personal health scare when she finally visits the doctor.

Brenda and the team investigate an apparent suicide that the medical examiner believes was actually a murder; Brenda's parents are staying with Fritz and Brenda for a few days.

When a Chinese business woman is found dead on the tour bus she and her husband operate, Brenda and the squad must dig deep to investigate her past life. Meanwhile, Brenda’s parents reveal to the squad that Brenda and Fritz are engaged.

A man wearing a surveillance wire is shot to death at point blank range in downtown Los Angeles; interpersonal relationships on the squad force Brenda into a corner.

Fritz's sister agrees to use her psychic powers to help the Priority Homicide Division resolve one of their cases, and while her abilities appear to help her understand how Brenda works, they don't seem to stop her from offering misguided advice.

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.

A car belonging to a Department of Homeland Security employee is found wrecked at the bottom of Mulholland Drive. Priority Homicide is brought in to uncover the details surrounding the driver’s death, but the investigation leads Brenda a lot closer to home then she expected.

Brenda finds an opportunity to visit home when she attempts to track down a witness who disappears to Atlanta. Unfortunately, once she finds the witness, her holidays with family take on a whole new meaning.

Brenda and the team must determine if a murder was revenge or mere coincidence when a recently released murderer turns up dead, the victim of a hit-and-run. As usual, Brenda's personal life isn't much better: she must deal with a recently incapacitated Fritz.

Brenda and the squad investigate the murder of a hair stylist; Brenda's parents stop in for a visit on their way to Alaska; Brenda's father wants to know when she and Fritz are going to tie the knot.

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.

Capt. Raydor (special guest star Mary McDonnell) approaches Major Crimes about delicately looking into a possible case of spousal abuse involving one of her female officers. On the home front, Fritz becomes increasingly irritated at feeling ignored by Brenda.

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.

While investigating a suspicious suicide, the squad wades into a nasty child-custody dispute between a dying man and his meth-addicted ex-wife. Meanwhile, Pope applies for the police chief job, but Brenda might have something to say about whether or not he gets it.

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.

Chief of Police Tommy Delk (guest star Courtney B. Vance) assigns Major Crimes a seemingly minor case involving the armed robbery of several medical marijuana dispensaries. But when one of the robberies turns into a murder, the case becomes a test of Brenda’s readiness to move up in the department.

Brenda has to figure out how house sitting led to the death of a young lady. As the fallout from the civil lawsuit continues Captian Rader has to broaden her investigation to include the LAPD while the realignment within be in LAPD gets started.

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.

Fred Willard (Modern Family) guest stars as Santa Jack, the owner of a Christmas village who believes he could be the real Father Christmas.

Brenda's parents return with surprising news that keeps Brenda's mind from her case.

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 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.

Deputy Chief Johnson’s investigation into a famous Hollywood divorce attorney found floating in his swimming pool is under heavy scrutiny. Meanwhile, Fritz and Brenda are trying to consolidate their bills, but when Brenda discovers a secret Fritz has been keeping will she keep to the plan?

When a 12-year-old disappears, Brenda must decide whether to treat him as a runaway or a missing person.