A gripping expose of a most sinister spy ring!

During the First World War, a woman doctor falls in love with one of her patients who turns out to be a German spy. She herself ends up working for German intelligence.

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Main Cast: Dita Parlo, John Loder, Erich von Stroheim, Claire Luce, Gyles Isham, John Abbott, Anthony Holles, Edward Lexy, Stewart Granger, Clifford Evans

Director: Edmond T. Gréville

Writers: Irma von Cube, Jacques Natanson

Editor: Ray Pitt

Cinematographer: Alfred Black

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