This is the first half of the double episode finale.

Greg Roberts gives Charlotte a moral headache when he assaults a patient who has robbed the ward of pethidine. Paula bonds with a woman who is looking after a husband with dementia. Luke asks Paula to marry him and she has to break the news that she never got around to divorcing Max's father, Michael. Alan Marden, the hospital's financial controller, is admitted to the ward with hyperthermia and gets to see the results of his budget cuts up close. An obsessive gunman embarks on a shooting spree as he stalks Charlotte through the hospital. Terri breaks the rules to prevent her supervisor from dying. Regina and Morris' anniversary goes tragically wrong.