Michael Gibson

A criminal from Danny's past kidnaps Jackie; Jamie meets his new partner; an officer accidentally shoots an innocent man.

Kevin tries to find out who is responsible for a holiday display, Tom and Christine run into trouble at a hospital, and Kevin gets unexpected visitors at home.

When Jack gets into Liz's head, she starts to look at her new man in a different light.

Jack meddles in Liz's relationship by offering Criss an ultimatum, and faces off with Devin; Tracy leads a protest defending idiots everywhere.

A longtime rivalry between two precincts heats up when a bank robbery appears to have links to the Russian mafia; a young, attractive social worker catches Sam's eye.

A runner struggles to regulate body temperature while training; Boris' decline may not be related to the disease.