Mitch presents a patient's husband with an unenviable predicament: who does he most want to save — his wife or his unborn baby? Scott is confronted by his own feelings for Rebecca as he battles to save her life after a bomb explosion. Ben's surprise marriage proposal to Bron doesn't turn out the way he'd expected. Luke is deeply moved by an innovative, yet risky, surgical procedure on a Parkinson's patient. Malcolm finally reveals his secret to Terri which forces them to decide their future.