Rouletabille's fiancée, a young journalist always on the lookout for an investigation to solve, tells him how she has just suppressed a spy. Marriage is in question...

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Main Cast: Marie Déa, Suzanne Dehelly, Jean Piat, Fernand Gilbert, Jérôme Goulven, Lucas Gridoux, Andrée Guize, Léo Lapara, Yette Lucas, Ariane Murator

Director: Christian Chamborant

Writers: Gaston Leroux, Pierre Lestringuez

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Cinematographer:

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