Chicago Med 1×02 “iNO” – As Dr. Ethan Choi (Brian Tee) treats a bleeding teenage girl, he discovers she’s just given birth, sparking a frantic search for her abandoned baby. When the details of the teen’s troubled past emerge, Ethan finds himself at odds with pediatrician Dr. Natalie Manning (Torrey DeVitto) and hospital administrator Sharon Goodwin (S. Epatha Merkerson) as they’re forced to make some difficult decisions about the teen’s future. Dr. Will Halstead (Nick Gehlfuss) treats a hypochondriac with chest pains while struggling to navigate his overbearing wife. Meanwhile, med student Sarah Reese (Rachel DiPillo) and psychiatrist Dr. Daniel Charles (Oliver Platt) treat a patient suffering from dementia, only to discover she may not have dementia at all. Colin Donnell and Yaya DaCosta also star. Marina Squerciati, Brian Geraghty and Carl Lumbly guest star.