After being informed by Simon that the Cold Squad is being folded into other units, and that her position has been eliminated, Ali storms out of Dick's tavern. Digesting the news while driving her car, she hits a teen-aged boy standing in the street.
While Ali copes with the loss of her partner and Coscarella's undermining of her authority, Mickey fends off the unwanted affections of a defense attorney. Nicco investigates a murder involving a large wrench.
Ali is determined to build a murder case against a rock star, with or without Frank's help. Mickey and Nicco track down a man who deliberately wrecked his car for the insurance money, killing a child in the back of a parked car in the process.
When a fugitive from the US is captured, Ali investigates his claims that he killed two girls in Canada. If she proves his claim, he will serve life in a Canadian prison; if not, he will be extradited to face the death penalty in California.
Ali and Frank try to connect the murder of a sex worker in Blood Alley to a serial murderer they investigated years before. Bailey's daughter sees Mickey and Bailey kissing on a crowded sidewalk and confronts them.