A missing victim, a suspicious ex-husband and a family hiding something all contribute to the ADAs' decision to risk their licenses on a hunch. After ruling out suicide, McCoy and Kincaid turn their focus on the missing woman's daughter – and take a giant leap to prove their far-fetched theory.

When Lt. Van Buren is the victim of an attempted holdup by two teens, she fires her gun and kills one of them, and the detectives are faced with the fact that she shot an unarmed child in the back.