

A composer (Laurence Payne) is stuck in a middle-class marriage and finds that his affair with his wife's half-sister (Jane Griffiths) has resulted in a pregnancy. When his wife refuses to give him a divorce he hatches a murder scheme that is too clever by half.

Laurence Payne

Patricia Dainton

Jane Griffiths

Edward Underdown

John Arnatt

Humphrey Lestocq