Plot
Derwent dreams up an unbreakable alibi for a murder. Once the crime is attempted, it then falls to Pember and Brace of Scotland Yard to sort things out.
| Writer | Anthony Armstrong |
|---|---|
| Director | Bernard Vorhaus |
| Actor | Phillips Holmes, Aileen Marson, Theo Small |
| Country | United Kingdom |
| Production | British Lion Film Corporation |