Chicago Med (2015)

S2E4 Brother's Keeper

A cluster of patients with an unusual infection leads to Dr. Charles' daughter Robyn, an epidemiologist, being called in to uncover the source. Dr. Choi and Dr. Rhodes care for an elderly man in critical condition, but they face a disagreement on treatment between his son and his much younger girlfriend. Meanwhile, Dr. Reese works to support a young woman struggling with addiction, while Maggie cares for a patient who holds special significance for her.