An elderly widow is murdered at a clifftop seaside house. What is the connection between a failed suicide attempt, a wrongful accusation of theft against a schoolgirl, and the romantic life of a famous tennis player?
| Writing | Agatha Christie | Novel |
| Production | James Prichard | Executive Producer |
| Production | Damien Timmer | Executive Producer |
| Production | Sheena Bucktowonsing | Executive Producer |
| Production | Rachel Bennette | Executive Producer |
| Production | Danielle Scott-Haughton | Executive Producer |
| Production | Reemah Sakaan | Executive Producer |
| Production | Stephen Nye | Executive Producer |
| Production | Robert Schildhouse | Executive Producer |
