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.
| Writing | Rudolph Bernauer | Adaptation |
| Production | Max Schach | Producer |
| Directing | Edmond T. Gréville | Director |
| Editing | Ray Pitt | Editor |
| Writing | Marcel Achard | Adaptation |
| Crew | Alfred Black | Cinematography |
| Writing | Irma von Cube | Story |
| Writing | Jacques Natanson | Story |
| Production | Isadore Goldsmith | Associate Producer |