This episode focuses on the chances people take in life and whether a gamble ever pays off. 20-year-old Megan is rushed to St George's hospital after being involved in a high-speed car crash, and as doctors begin treatment and work to assess her injuries, it soon becomes clear how her hedonistic lifestyle has put her at risk. Meanwhile, James, who's 78, is transferred from his local hospital with suspected internal bleeding, and 40-year-old Jibraeel has lodged a cotton bud in his ear