A baby and a small child are shot and killed in a robbery. Sipowicz's bad mood hinders the investigation and causes a rift with Simone.

Simone struggles to make sense of the shooting at the apartment block, which he now owns. Meanwhile, he and Sipowicz re-open an old case, which may have imprisoned the wrong man. Greg and Andy weigh-in at the end of the first week's diet. The result is out for the Delegate's election.

A dead woman, found in an alley appears to be another in a series of brutal rapes. Simone and Sipowicz investigate. The rest of the squad tries to find out why shots fired from a bus injured a woman and a child.