John helps police track down Glen Holmes, accused of carjacking a couple and murdering one of them. Later, Cal joins the hunt for online predator Adrian Fierros, who coerces young girls into sending him explicit photos that he uses to extort them.

John joins the hunt for Arturo Munguia, aka Jesse Vega, accused of murdering his girlfriend in an act of petty jealousy. Later, Cal helps track down Rex Byrnes, an unemployed metalhead whose own daughter accuses him of years of sexual abuse.