A man is shot In the hotel of an imaginary South American country. Clarence and Montès, two inspector students, must solve this murder, but they don't know that dead guy is the USA public enemy No.1.
| Directing | Jacques Becker | Director |
| Writing | Louis Chavance | Writer |
| Sound | Jean Alfaro | Original Music Composer |
| Editing | Marguerite Renoir | Editor |
| Camera | Nicolas Hayer | Director of Photography |
| Writing | Maurice Aubergé | Writer |
| Production | André Halley des Fontaines | Producer |