In this episode the whole division is trying to find a baby that was in the backseat of a car during a hijacking.

A teen who set his school on fire is missing.

Jinny is the target of a seemingly random shooting. The efforts of her brothers and boyfriend to make her feel safe do little to alleviate her feelings of vulnerability. CD and Angela investigate the murder of a pizza deliveryman. Magda struggles to resolve her conflicts with Peter.

Kate deals with heated community conflict surrounding an upcoming murder trial, as the entire squad pitches in to interview reluctant witnesses. The gun used to kill CD's former partner is discovered, dredging up painful memories. Jinny's boyfriend wants to take their relationship to a new level. Magda voices concerns about Jinny's drinking. Angela gives her husband a big surprise.

A serial killer is homless woman herself.