Major Crimes teams with the FBI to apprehend a lethal sniper. Meanwhile, Raydor negotiates a deal that even Provenza can support.

A man is believed to have died from a drug overdose but even that is questionable new details may take the case and into a completely different direction. Some strange events leave Rusty and Captain Raydor wondering if he should have seen his father in the first place.

Tao has to question his actions due to a murder conviction being overturned eight years later. Rusty sees father for the first time and must learn to control his emotions as he spends some time with his father.

Major Crimes may have a tough time closing its next case because confidential information keeps getting leaked and they may have some difficulty in figuring out who or what is causing the information to erroneously get out. Captain Raydor's decision to be temporary guardian of Rusty gets more complicated as children and family services finds out some information that may cause rusty to be removed from her home.

The aftermath of a deadly shooting on gang turf finds Raydor making a daring maneuver that could threaten her career and jeopardize Det. Sykes' life. Elsewhere, Rusty makes it quite apparent that he has no interest in meeting his biological father.

In a case involving a kidnapping-turned-homicide, the squad is pressured to work quickly before anyone else is hurt. DDA Andrea Hobbs becomes a valuable resource in the case. Meanwhile, DNA evidence proves that Rusty is more closely connected to the justice system than anyone might have expected.

The unit joins forces with the FBI when a homicide case spins around the Israeli mob and an "intuitive life strategist." Elsewhere, Provenza displays his vulnerable side, and Rusty's first school day takes an unexpected turn.

Clues and facts become hazy when the crew investigates a deadly car accident at a nightclub. Meanwhile, harsh truths surface when Raydor tries to locate Rusty's mother.

As Raydor works to gain respect in the division, the Major Crimes crew works to crack the case of a brutal and complicated homicide. Meanwhile, Raydor tries to supervise Rusty, and Provenza struggles to accept all the changes in the department.

The department is still reeling with the recent departure of Deputy Chief Brenda Leigh Johnson, creating a tough transition for the newly appointed head of Major Crimes, Captain Sharon Raydor. But there is little time for adjustment as the department rushes to reach a plea bargain when a string of grocery store robberies turns fatal. After proving to be a valuable source for the case, undercover police detective and military veteran Detective Amy Sykes is transferred to Major Crimes. Meanwhile, Raydor takes a big step to protect teenager Rusty Beck after he runs away from his foster family.