Dr. Marcus Andrews enlists Dr. Neil Melendez on a very sensitive kidney transplant between a pair of twins; Dr. Shaun Murphy decides to take an impromptu trip with his friend Lea and leave his problems behind.

Dr. Shaun Murphy questions the need for an elective surgery that will allow his young patient to smile for the first time. Meanwhile, Dr. Claire Brown and Dr. Morgan Reznick discover that their patient lied about her identity.