Rhoda Bradley is a busy mum frustrated with her job as a supermarket check-out assistant. When she discovers the health service is recruiting new doctors, she decides to enrol in medical school — but the move doesn't go over too well with either her competitive sister Maddy, or her husband Tony, who fears the decision will turn their lives upside down.

• Tamzin Outhwaite
• Steven Waddington
• Harry Lloyd
• Alfie Hunter
• Lucinda Dryzek
• Fraser Ayres
• Eve Best
• Steve Nicolson