This episode looks at how a single event can change the lives of the people who live through it. Mark, who's 51, is brought to resus after coming off his bike. Doctors are concerned that he may have suffered life-changing damage to his spine. His wife Karen rushes to be by his side. Dibs, who's 60, has fallen 10 feet off a balcony onto concrete and comes to resus with his wife Di. And 10-year-old Aiden comes to paediatrics with his mum and her girlfriend, Lorraine, after hurting his foot on the monkey bars at school.