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. Maggie and Ben become concerned when one of Ben's students is admitted. Dr. Manning and Dr. Marcel treat a terminally ill patient and disagree over the best course of action.
Elenco: Nick Gehlfuss , Marlyne Barrett , S. Epatha Merkerson , Oliver Platt , Yaya DaCosta , Torrey DeVitto , Brian Tee , Colin Donnell , Rachel DiPillo , Norma Kuhling , Dominic Rains , Kristen Hager , Guy Lockard .