When an hispanic male is found dead from a severe chest trauma, Detectives Briscoe and Green discover that he and two other illegal immigrants had been in a staged automobile accident. As evidence mounts linking numerous similar car crashes with the same employer, chiropractor, insurance adjuster, and lawyers, A.D.A.s McCoy and Carmichael must determine who is ultimately responsible for the man's death, from which so many others profited.

The murder of a female high school English teacher uncovers a love triangle that includes a female student and a male teacher, both of whom become suspects. The prosecutors have to deal with the student's multiple identities and refusal to live past adolescence.

While investigating the death of a teenaged girl, the detectives stumble on a pattern of crimes that indicate they are after a serial killer. The suspect, however, puts the prosecutors through an ethical ringer when he discloses his attorney's knowledge of the victims and their whereabouts.

Greed, treachery and disrespect shape the motives for murder when two men are gunned down at an exclusive restaurant.

The detectives are skeptical when a former street activist turned shock jock with a history of staging phony muggings to gain publicity for his causes appears to be the subject of an attempt on his life after publicly assailing a mobster, but they begin to believe his story after they discover that the married jock was involved with the mobster's mistress.

Police and prosecutors go after a fanatical cult leader who encourages sex with children among her followers.

Fontana and McCoy pursue a man believed to have murdered a young girl ten years earlier despite numerous obstacles.