Diane's pregnant sister is brought in to Holby after being in a car crash. As she deteriorates, her and her unborn baby's life are hanging in the balance.
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