"The Black Masks", a secret political society, involves the beautiful agent Lydia to apprehend an important official document. Lieutenant von Muehlen is a trusted member of another secret society. He is on the same mission.

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Main Cast: Lili Beck, Victor Sjöström, Gunnel Holzhausen, John Ekman, Gunnar Norberg

Director: Mauritz Stiller

Writers: Sigrid Calamnius, Charles Magnusson, Mauritz Stiller

Editor:

Cinematographer: Julius Jaenzon

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