Charlie and Rex receive an award for heroism while Major Crimes investigates an extremist threat.

Charlie, Rex and Sarah travel to an isolated island community caught up in a resettlement dispute. Donovan tries to stop a British police officer from derailing the investigation.

After the owner of a construction company is found dead, Charlie and Rex track the killer to an underground casino. Major Crimes goes undercover to solve the case.

When Officer Maya Power and her K9 partner Rebel are violently attacked responding to a call about a warehouse break-in, Major Crimes is at the ready.

When a young woman goes missing in The Barrens, suspicion turns to the woman's boyfriend; it's up to the team to uncover the truth behind her disappearance.