Jack and Maya are called to treat people stuck in a subway train and discover a potential threat to the passengers and themselves. Meanwhile, Travis, Ben and Dean get pressured into inviting Sullivan to help repaint walls in Travis' house and come to a surprising conclusion about Sullivan.

While struggling to help victims of a crash on a desolate road, Vic finds the courage to confront a difficult situation. Meanwhile, Ben prepares to go out for Medic One, causing some concern over his current Station 19 responsibilities, and Pruitt spends time with a special someone.