Talk of killing patients throws the staff into a frenzy; Carla tries to get rid of Turk's stuffed dog; Molly interferes with Elliot's efforts to get a patient a heart valve.
J.D.'s new position as chief resident goes to his head and interferes with his relationship with Turk and Elliot; Dr. Molly Clock (Heather Graham) confronts a divorce-weary Dr. Cox about a patient.
Elliot aligns herself with her new friend, Dr. Clock; Turk keeps waking Carla up when he goes to bed.