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. Dr. Charles gives fatherly advice to his young daughter.

Dr. Charles evaluates a 15-year-old who is brought into the E.D. after an apparent fall off an overpass. Will sides with Dr. Asher on a risky treatment plan.

Dr. Charles and Goodwin fear Dr. Halstead is repeating his past mistakes when a patient with early onset Alzheimer's is brought into the E.D.

Dr. Manning and Dr. Charles assist in a complicated case helping a child who is no stranger to the ED. Dr. Marcel and Dr. Choi tend to a police officer with a mysterious gunshot wound.

A convicted murderer's escape hits close to home when several team members find themselves in danger. Dr. Charles and Dr. Halstead clash over patient treatment plans. Maggie receives good news.

Dr. Charles and Dr. Manning treat a patient who is fully invested in pretending to be someone other than himself. Noah doubts his abilities as a doctor. Dr. Halstead puts his faith in an addict.