When a gunshot wound victim arrives, the new chief and Abby butt heads on how to treat the patient. Abby comes to Sam's defense when she goes before a nurses disciplinary board.

Cast: Goran Visnjic, Maura Tierney, Parminder Nagra, John Stamos, Linda Cardellini, Scott Grimes, David Lyons, Angela Bassett, Leland Orser, Charlotte Rae, Laura Cerón, Troy Evans, Yvette Freeman, Gil McKinney, Carlos Knight