Patti Murin

Herrmann faces hazing in his new role as lieutenant, Foster suspects a young gymnast's injury is more than meets the eye, and Severide is jealous of Kidd's best friend.

Dr Rhodes is tasked with delivering some devastating news. April suffers an accident and Dr Halstead presses her into seeking treatment.

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.

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

The team treats a 9/11 hero in need of new lungs. Dr Choi deals with a difficult parent. There's friction between Dr Halstead and Dr Manning.

Family secrets bubble up to the surface when Maggie's sibling arrives back in town. Dr Manning works on a case that is getting lost in translation.