Alison Mundy is still recovering from the traumatic seance that put her in a coma. She realises that she has dedicated her life to helping the spirits and when she sees one on the roadside, she is determined to find out what has happened. Before long she is entangled in a story that involves a car crash and some friends. But this time, she won't be able to help everyone...

• Stephen Volk

• Nikki Amuka-Bird
• Andrew Lincoln
• Harry Treadaway