Captain Benoît manages to take possession of the plans of a new German airplane. The German counter-espionage assigns one of their agents, beautiful Erna Fiedler, to seduce Benoît and to eliminate him. But the two spies fall in love.
| Directing | Pierre Billon | Director |
| Writing | Bernard Zimmer | Writer |
| Writing | Charles Robert-Dumas | Novel |
| Camera | Georges Asselin | Director of Photography |
| Editing | Marguerite Beaugé | Editor |