Lisbon, the capital of Neutral Portugal, is a hotbed of spies. Mario, a cabaret singer working for the Allies is responsible for the death of an Italian agent. His widow Irène heads to Portugal and in her desire for revenge she agrees to work for the Nazis.
| Directing | Ettore Giannini | Director |
| Directing | Henri Calef | Director |
| Sound | Joseph Kosma | Music |