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.
| Directing | Montgomery Tully | Director |
| Camera | Alf Hicks | Camera Operator |
| Writing | James Eastwood | Screenplay |
| Writing | Edgar Wallace | Novel |
| Camera | Brian Rhodes | Director of Photography |
| Editing | Bernard Gribble | Editor |
| Directing | Peter Price | Assistant Director |
