The director of an engineering company in a small town near London has been murdered by a perfect stranger. Inspector Alan Milton (Gerald Harper) is put in charge of the case. He is the former fiancé of Carol Vyner (Jennifer Daniel), the victim's secretary. She is now about to marry Harry Brent (Edward Brayshaw), a mysterious figure with a connection to the murder suspect...
Broadcast 26th April 1965
7 окт 2024