Guido, a young idler with a gambling problem falls in love with Caterina a mysterious girl. A torrid affair follows thereafter. When Caterina leaves him Guido investigates her past and learns she had a lot of lovers.
| Directing | Alberto Lattuada | Director |
| Writing | Piero Chiara | Book |
| Writing | Alberto Lattuada | Screenplay |
| Writing | Franco Ferrini | Screenplay |
| Writing | Enrico Oldoini | Screenplay |
| Production | Achille Manzotti | Producer |
| Camera | Luigi Kuveiller | Director of Photography |
| Sound | Armando Trovajoli | Music |
| Editing | Ruggero Mastroianni | Editor |