Abby (Maura Tierney), Pratt (Mekhi Phifer) and Morris (Scott Grimes) try to figure out how to handle Dr. Morretti's (guest star Stanley Tucci) strict new ER procedures. As the injured arrive at the ER from the anti-war rally, Gates (John Stamos) frantically tries to find out what happened to Neela (Parminder Nagra). Later, Gates takes matters into his own hands when he finds out that a patient was responsible for the explosion at the rally.