Brian McCaskill

Michael, Lincoln and the inmates risk life and limb, the Vice President fears she will lose her command if not her life, and Veronica tracks down the most significant piece of evidence to prove Lincoln's innocence.

The Intelligence Unit investigates a series of murders in which victims have a dollar bill pinned to their chests, but the case soon becomes personal for sergeant Voight when one of the dead men turns out to be a close friend.

Intelligence are faced with several cases of gang-related child abductions. Halstead goes undercover to find a kidnapped boy.