On Keller, Kyla's denial of her drinking problem reaches crisis point when the hospital authorities step in and her patient of the day, an aspiring nun, insists on treating the alcoholic nurse as a divine being sent by God. On AAU, Sam and Maddy help a dying woman escape her suffocating husband, whilst themselves undergoing a sexual health scare which yields unexpected and potentially frightening results. On Darwin, Chrissie is irked by Stuart's bed-switching on the ward, and declares war.