A slick young man buys a jewel with a cheque that bounces. He then disappears and both the police and a lawyer try to find him. The lawyer hires a female detective to track down the missing man, but when his body is found in the Thames the case is by no means over.

• Merton Park Studios
• Hazel Court
• John Crawford
• Paul Eddington
• Robert Dorning
• Jack Watson
• Lisa Daniely
• Kevin Stoney
• William Abney