Sacha becomes suspicious about Essie and Raf's relationship, and Fletch fights to save his friend Artem's life when the old gambler returns to the Acute Assessment Unit (AAU).
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