Trauma consultant Simon faces a busy night, with a stream of critically ill and seriously injured patients, plus the fallout from an extraordinary night of violence on London's streets. Forty-nine-year-old Trudy arrives unconscious by HEMS, the helicopter emergency medics, having fallen down some stairs after a night out celebrating her new job with her stepsister Sherry. Simon is concerned that Trudy may have brain damage. Sherry desperately awaits news of Trudy's condition in the relatives' room. After her brother died suddenly and unexpectedly last year, Sherry finds the idea that she might lose Trudy too hard to cope with. Also in resus are married couple Bea and George, who are both in their eighties. They've barely spent a day apart in 65 years, but Bea's cancer - and now a suspected heart attack - force them to face the possibility that they may not have much time left together. Meanwhile, Vincent has been admitted with chest pains and his daughter, Jennifer, finds herself witness to the treatment of the young victims of a series of stabbings. And while Jennifer reveals her fears for her own son's future, consultant Simon reflects on the desire that unites all the patients and relatives that he treats in A&E: 'Time; sometimes that's all the families want and that's just the one thing you can't give.