Mother of six Lillian has extremely low blood pressure. Doctors treat her for sepsis and discover that she's in the latter stages of pancreatic cancer. She's joined by her husband of 58 years, Peter, and their granddaughter Kelly. Dennis, who's 78, is having difficulty breathing after he broke several ribs by tripping over a curb. And Carolyn, who's 32, bruised her neck and face when she slipped on wet decking on a night out with friends.

Eddie has been weakened by chemotherapy and has severe sepsis. Ex-paratrooper Martin has sustained life-changing injuries in a paraglider crash. Graham's nose won't stop bleeding.