Amanda Marcheschi

Dr Rhodes begins his cardiothoracic surgery fellowship, but gets off on the wrong foot with his new boss, Dr Latham. Meanwhile, Dr Choi begins his life as chief resident, and Sarah is caught off-guard by Dr Charles.

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

A member of Firehouse 51 becomes the victim of a vicious attack, and Brett and Jimmy worry about Chilli's behaviour.

Dr. Choi and Dr. Charles have difficult decisions to make as a dying man tries to preserve his life with a controversial scientific method. Dr. Marcel and April clash over how to handle a mysterious patient, and Will questions Natalie's capabilities.

Manning and her 3-year-old patient are trapped in a helicopter as the toddler's stats decline; Charles isn't sure Choi's alcoholic patient with liver failure has quite hit rock bottom.

Halstead hides the theft of his gun from Manning, while Hank struggles to keep his emotions in check when he sees an old patient.