Senior nurse Scott deals with a very busy shift in resus, where every bed is occupied and patients continue to arrive, including 56-year-old Pauline, who has hit her head in an accident at home. Aerial fitter David, 62, has life-threatening injuries after falling 30ft from a roof, while opera critic John is in minors with a bad ankle, and 78-year-old former window cleaner Alfred talks about coming to terms with his wife's death