A young widow, her nephew and various other characters attempt to steal the jewels contained in a supposedly inviolable safe.
| Directing | Giorgio Capitani | Director |
| Writing | Marcello Fondato | Writer |
| Writing | Antonio Navarro Linares | Writer |
| Production | Silvio Clementelli | Producer |
| Sound | Piero Umiliani | Music |
| Camera | Roberto Gerardi | Director of Photography |
| Editing | Giorgio Serrallonga | Editor |
| Art | Flavio Mogherini | Production Design |
| Costume & Make-Up | Gaia Romanini | Costume Design |
| Directing | Marcello Crescenzi | Assistant Director |
| Sound | Umberto Picistrelli | Sound |