An FBI informant is the prime suspect in the deaths of two Tijuana police officers; Pope, Taylor and Brenda must deal with a public relations mess when a newspaper prints an unflattering story about Priority Homicide.

The newly renamed Major Crimes Division investigates the death of a teenager that may be related to a planned massacre; the squad searches for a bomb before it can explode.

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.

When an adolescent boy is found murdered where members of the Tres Colores gang frequently spend time, the subsequent murders of two more gang members point Brenda and the team to gang warfare. Unfortunately, the evidence trail leads them in a different direction.

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's next case has her investigating the brutal murder of an actress who was dating through an online service, unfortunately the case takes a backseat because Brenda has an interview with the mayor for the next chief of police. Brenda still has second thoughts about whether she'd like the job.

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.

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.

A family works to protect their late minister's reputation from scandal. Meanwhile, most of the Major Crimes Division is subpoenaed, raising suspicions about the one who wasn't.

The death of a high school principal who had been trying to raise test scores at his school to prevent it from being closed causes Brenda and Fritz to fight over who has control of the case because an already existing FBI investigation causes the cases to overlap.

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.

Brenda encounters her nemesis, Philip Stroh. the defense attorney she suspects is a murdering rapist. Obsessed with taking him down, she pulls a shock-and-awe courtroom stunt that jeopardizes a case and lands her in hot water with the new D.A..

Investigating the death of a beloved cancer doctor hits too close to home for Brenda who's already upset after learning that Pope is monitoring everything she does.

Brenda finds a young couple involved to in the investigation by accident after finding two people dead outside in the street Brenda has no idea that the DA is watching her every move Capitan Raydor and Chief Pope find out who the leak is.

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.

Stay tuned to the next show, Major Crimes, which will pick up from the moment The Closer ends. A large portion of the characters are moving to the new show. to work under the new supervisor of Major Crimes, Captain Sharon Raydor.