Hugh and Cecily Branksome retire to the seaside town where they grew up. There they meet again Arnold Cottle, an old boyfriend of Cecily's. She goes to look for a public seat given to the town by her late father, who was a local alderman, and finds it was destroyed and later replaced by another seat given by a suspected murderer. With Arnold's help, she sets out to investigate the unsolved murder.

• Ruth Rendell

• Idris Elba
• Virginia McKenna
• Omid Djalili