An encounter with a blind man ends unexpectedly for Susan Howard. The supposedly helpless man stuns and kidnaps her. The case is handed over by the Home Secretary to Sir John, the head of Scotland Yard. He entrusts Chief Inspector Higgins and Superintendent Lane with the investigation. Their investigations quickly lead Higgins and Lane on the trail of murder, white slavery and blackmail.
Inspector Higgins

Barbara Lane

Sir John

Flatter

Mrs. Harper

Harry Harper

Pater Fisher

Dr. Bartnik

Ann Pattison
Chris
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