Working the graveyard shift on Y4 is never easy, but Nurse Edie Spence thought she was just dealing with bad coffee and oddball patients. She was wrong. Tonight, a critical emergency takes a turn for the truly fatal when her patient, Mr. November, extubates himself and then shockingly turns to dust right in front of her eyes. It's a medical nightmare, made worse by the fact that he bit her hand—and left her with a cryptic, desperate plea: "Save her!"