Mia Park

The team find a surprising connection between two elderly patients presenting similar symptoms. Dr Manning loses her wedding ring.

Dr Manning investigates a young boy's background after the child is admitted with a broken wrist. Dr Choi tries to deal with an erratic patient.

Halstead and Manning deal with arguing brothers, one of whom needs a replacement kidney. One of Dr Reese's patients comes to a crossroad.

Dr Manning struggles to treat a comatose woman who is unexpectedly pregnant. Dr Reese is contacted by a troubled teen in a psychiatric facility.

Doctors and nurses deal with a staff member's suicide; Choi and Halstead face off over how to treat a patient who is experiencing stroke symptoms; Manning treats a boy who fell into the river; Rhodes examines the man who saved Dr Manning's patient.

Lt Casey must work with Voight and the Intelligence Unit, Shay grows increasingly excited about the prospect of motherhood, and everyone comes together to support the opening of Molly's.