When Steve and his partner celebrate the success of 6 month undercover work against the Valley's mob baron Gordon Gonza, he's shot in the stomach under the eyes of their superior, chief Masters. Mark must leave his son's medical care to Jessie, but publicly marches up to Gonza proclaiming he'll pay with everything he's got, and responds to Steve's tip giver, porn actress Spring Dano. Shortly after, both Gordon and Spring are found killed, by binary poison viz. a knife while Mark is bend over her corps, and he is put on trial for their murders while fixed clues pile up.