Lorena Diaz

Dr Choi treats a teenage mother who abandoned her newborn baby in an alley. The nurses surprise Dr Manning with a baby shower.

A man with no apparent symptoms causes problems when Ethan attempts to diagnose him, while Sarah resorts to using pepper spray on a patient.

A woman suffering with anorexia is treated, while Dr Reese returns and is immediately put to the test.

A shooting during a party at a local park sees the hospital overrun with victims and the staff pushed to their limits.

Rhodes and Zanetti race to save a member of Firehouse 51, April's brother struggles during his first day at the hospital, and a woman saved from a burning building leads to a bigger mystery.

Dr. Marcel and Dr. Manning lay everything on the line to assist a sick woman; Dr. Halstead faces an uphill battle in getting participants involved in his clinical trial; Dr. Choi clashes with a patient who demands absolute perfection of himself.