Unhappily married art teacher Dani Oxley starts an affair with colleague Jimmy while they are supervising a school trip to an adventure centre. After leaving her students unattended to meet Jimmy in a boathouse, Dani gets back to find one of her charges is missing.

• Barunka O'Shaughnessy
• Mike Benson

• Kelvin Fletcher
• Sheridan Smith
• Cecilia Noble