Gemma Foster is a woman who is seemingly in control of her life. She is a trusted GP, a woman people can trust but her life is about to explode. Believing that her husband is having an affair, Gemma throws herself into an investigation that sees her and her family, and even some of her patients lives being propelled into chaos.
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.