Second year residents Abby Lockhart, Neela Rasgotra and Ray Barnett have now become the teachers. And Dr. Archie Morris (Scott Grimes) realizes he makes a better manager than a doctor. Dr. Pratt resolves issues with his family through his estranged father (Danny Glover), while a new attending doctor (John Leguizamo) poses as a patient to test the knowledge of the ER staff, causing friction with Dr. Kovac that leaves Abby caught in the middle.