A local football star is murdered; an unpopular groom disappears during a boisterous wedding reception on a boat.

When they investigate a woman's murder, Fitch, Washington, Longford and Mahajan stumble upon something much bigger; a murdered teenager is found along with his severely beaten father, a Vietnam veteran.

Two bodies are found in an abandoned shelter. Longford's father, to everyone's surprise is able to help with this investigation. Meanwhile, Fitch, Washington, Stone and Sanchez investigate the murder of a Latina.

As the detectives embark on emotional shifts in their lives, a young graffiti artist is murdered; Fitch receives shocking news from his ex-wife.