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.
Production companies：
British Lion Film Corporation
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Overview：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.
