Elliot's preparing for a family ski trip when he is surprised by the unexpected arrival of an old friend. With his heart in the balance, Elliot must risk everything to save a life. Arthur proves wiser than his years when he comes to Zosia and Guy's aid as they struggle to deal with an uncertain future. A well-meaning Ric tries to give some fatherly advice to his AAU flock, but does he create more trouble than he calms? It's been a hard year for all and the AAU family must pull together to bring about some Christmas cheer.
This series is a spin-off from the long running BBC medical drama Casualty. Set in the same hospital as its sister series, this show follows the everyday lives, professional and personal, of the doctors, nurses and patients who find themselves, for various reasons, in the wards of Holby City General Hospital