After Damien's body is burned, Laura needs Harry to clear her of murder. Harry and Fergus investigate a murky family history of whiskey and sabotage.

Alex, comfortable in Compton, is betrayed. Jonah gives Leslie a mission to retrieve his DNA from the Yorkeses while Catherine exacts vengeance. Molly sneaks out to fight crime.

Brilliant chess grandmaster Patrick Kloster's wife Linda Kloster goes to Monk saying that her husband is planning to murder her, and she wants him caught posthumously.

When Cole and Murtaugh investigate a case involving a father and daughter (illegally) crossing the Mexican border, they end up uncovering a major issue with California Boarder Patrol. Meanwhile, Trish prepares her campaign for D.A. and must face parts of her past, before they find their way into the media spotlight. Cole also confronts his past when he experiences flashbacks as a result of an injury.

Reese discovers there's more to the story after he infiltrates a smuggling ring to get close to his latest Person of Interest...who may be hiding a secret identity.

Two LAPD officers are killed, and Major Crimes needs to find the lone witness to the crime - an El Salvadoran involved in a counterfeiting ring who was being brought in by the officers.

An investigation into the death of a well known district attorney puts the Intelligence Division at odds with a mayoral candidate. Antonio returns to work but doesn't trust his own judgment when an operation goes sideways.

Dr. Lightman allows a wealthy client to shadow him as he tries to find out who critically wounded a Washington, D.C. police officer in an apartment building taken over by drug dealers.

After Damien's body is burned, Laura needs Harry to clear her of murder. Harry and Fergus investigate a murky family history of whiskey and sabotage.

Reese discovers there's more to the story after he infiltrates a smuggling ring to get close to his latest Person of Interest...who may be hiding a secret identity.

Brilliant chess grandmaster Patrick Kloster's wife Linda Kloster goes to Monk saying that her husband is planning to murder her, and she wants him caught posthumously.

An investigation into the death of a well known district attorney puts the Intelligence Division at odds with a mayoral candidate. Antonio returns to work but doesn't trust his own judgment when an operation goes sideways.

Dr. Lightman allows a wealthy client to shadow him as he tries to find out who critically wounded a Washington, D.C. police officer in an apartment building taken over by drug dealers.

When Cole and Murtaugh investigate a case involving a father and daughter (illegally) crossing the Mexican border, they end up uncovering a major issue with California Boarder Patrol. Meanwhile, Trish prepares her campaign for D.A. and must face parts of her past, before they find their way into the media spotlight. Cole also confronts his past when he experiences flashbacks as a result of an injury.

Topher helps the kids break into school, but the plan is blown when Dale and Stacey trigger an earthquake. Jonah’s body continues to break down as he leads Karolina into the hole.

Marcus fears dying while playing Macbeth after three fatal past performances. When Fergus nearly dies onstage, Harry investigates the theatre's dark history.

Adrian finds himself short an assistant when Natalie is hired to replace the local lotto girl after she's murdered.

Major Crimes is paired up with an obnoxious FBI Agent on a kidnapping case from two years ago. Rusty continues his investigation on Alice Herrera.

Dr. Lightman helps Torres's half-sister, who is serving time in a juvenile facility, after an fellow inmate who asks for her help is killed. However, Torres is not convinced that her sister can be trusted.

The Machine leads Reese and Finch to Wall Street when a sharp young trader at a major investment bank becomes embroiled in a multi-million dollar financial scam.

Against Murtaugh's advice, Cole reaches out to Tom Barnes to help with a case that hits close to home, putting Murtaugh and Cole's partnership to the test. Meanwhile, Trish prepares to announce her campaign for District Attorney.

While chasing a heroin supplier, CPD crosses paths with a convicted criminal recently released on a technicality. Halstead's history with the man threatens the team's ability to put him back in prison.

While bonding with the other nannies, Elena learns that the Wards' previous nanny vanished without warning. Elena continues her search of The Greybourne and discovers a shocking truth.

Major Crimes is paired up with an obnoxious FBI Agent on a kidnapping case from two years ago. Rusty continues his investigation on Alice Herrera.

The Machine leads Reese and Finch to Wall Street when a sharp young trader at a major investment bank becomes embroiled in a multi-million dollar financial scam.

Dr. Lightman helps Torres's half-sister, who is serving time in a juvenile facility, after an fellow inmate who asks for her help is killed. However, Torres is not convinced that her sister can be trusted.

Against Murtaugh's advice, Cole reaches out to Tom Barnes to help with a case that hits close to home, putting Murtaugh and Cole's partnership to the test. Meanwhile, Trish prepares to announce her campaign for District Attorney.