Nate Santana

Carol receives a second chance at life when a new heart becomes available; Choi and Archer find themselves in hot water with an old patient; Halstead faces the consequences of the stolen trial medication.

Dr. Charles and Caroline set some major plans, while Ava fights to keep her relationship with Connor. Agent Lee then informs Will of news that may put his life in danger.

Dr. Crockett is visited by two New Orleans detectives who have questions about his past. Dr. Choi puts his life in danger to save a child and Dr. Charles gives fatherly advice to his young daughter.

Halstead returns to Med to help Goodwin with a secret investigation; Archer and Charles deal with twins who insist on being identical inside and out; Stevie and Dylan treat a young patient with sickle cell anaemia.

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

Choi hires an old Navy colleague to join him in the ED; a final custody hearing threatens to separate Charles and his daughter; Maggie must make a choice that will change Auggie's life.