Seventy-year-old Jenny is brought in with a suspected stroke, and doctors must confirm the diagnosis and decide whether she is still in time to receive life-changing treatment. Her husband Roy shares the difficult experiences they've faced together and describes Jenny as the rock of the family. Ronnie has come into St George's with severe lower back pain. Doctors assess whether the 29-year-old's pain is due to his kidney stones or something more serious. Ronnie is accompanied by his girlfriend Anneline, who reflects on the similarities between Ronnie and her late father.

Dave, who's 56, has been rushed to A&E after falling 15 feet onto concrete while working on a building site. Fourteen-year-old Josh has come in after tumbling off the handlebars of his BMX - while his dad Simon was pedalling. Samuel, 78, explains his fear of ageing after tripping up while out shopping.