An old man’s confession to seven murders leads Deputy Chief Johnson to investigate the sudden and unnatural deaths at his nursing home.

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 and Brenda discovers a secret Fritz has been keeping.

Brenda suspects something more than suicide when a high-school girl is found hanged in her bedroom, and the investigation uncovers a ruthless sexual game being played at a private school.

Brenda goes toe to toe with the tricky attorney of a man suspected of a brutal rape and murder.

While investigating the homicide of an entire family, the team once again finds themselves entangled in an FBI case. They also find themselves distracted by an unusually surly Provenza.

When a man believed to have murdered two young women is found dead in Elysian Fields, evidence points to his victims' families. Brenda and the team must then wade through the suspects to find the true killer.

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.

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.

In a case that could carry national security implications, three soldiers are gunned down outside an LA club two days after returning home from duty in Afghanistan. Brenda’s investigation puts her on a collision course with Major Edward Dorset (guest star Gary Cole), a military liaison officer.

Brenda finds she has another victim and later learns that her parents have been robbed and the Christmas gifts stolen from the RV. The investigation has to continue through Christmas day.

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.

The team investigates the puzzling death of a fellow officer's daughter. Elsewhere, Captain Raydor advances in her meticulous audit of Brenda's unit and begins to sharpen focus on Detective Sanchez.

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