The hospital is in disarray when the janitors go on strike. Marcel treats a young girl injured on her family’s farm. Charles and Cuevas’ schizophrenic patient returns to Med.

Charles and Cuevas clash over the treatment of a paranoid patient. Choi treats a pregnant patient from Asher’s past. Marcel and Taylor help a man who needs a risky neurosurgery.

In the aftermath of Halstead’s apartment fire, Marcel, Choi and Archer work together to try to save the survivors. Charles and Med’s new fellow, Cuevas, help a paranoid patient.

When a fire claims one of their own, there’s plenty of guilt and blame to go around. Lt. Matthew Casey, in charge of the Truck, tries to carry on, but…

Severide is hiding a serious shoulder injury sustained in the fire that killed Andy Darden, and grapples with his guilt as he fights to rescue a construction worker trapped in…