Chris Rickett

Casey finds himself in dangerous territory when working undercover to bring down a trafficking ring. Also, Dawson realises that her life is about to change, and a new candidate makes an unusual first impression.

Choi and April consider calling social services when they suspect that a patient is being abused, while Manning and Halstead have a disagreement.

Halstead and Hammer get stuck in the middle of a marital face-off; Blake's entire surgical team mysteriously collapses during a liver transplant; Charles encourages Choi to reconcile with his father.