A doctor who cannot figure out what is wrong with his patient refers him to a detective, whom he hopes will be able to discern the cause of his mysterious illness.

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Main Cast: Max Landa, Reinhold Schünzel, Conrad Veidt, Hilde Woerner, Marga von Kierska

Director: Karl Mueller-Hagens

Writer: Paul Rosenhayn

Editor:

Cinematographer: Kurt Lande

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