A young couple become embroiled with the personal problems of another couple on a yacht moored off Sicily during a turbulent weekend of fun, games, sex games, betrayal, spouse abuse, and murder.
| Writing | Fabio Pittorru | Screenplay |
| Writing | Gianlorenzo Battaglia | Screenstory |
| Writing | Franco Bottari | Screenplay |
| Directing | Ruggero Deodato | Director |
| Writing | Lamberto Bava | Screenstory |
| Sound | Marcello Giombini | Original Music Composer |
| Production | Vincenzo Salviani | Producer |
| Production | Alberto Marras | Producer |
| Camera | Mario Capriotti | Director of Photography |
| Editing | Mario Gargiulo | Editor |
| Art | Franco Bottari | Production Design |
| Costume & Make-Up | Giovanna Deodato | Costume Design |
| Costume & Make-Up | Massimo Giustini | Makeup Artist |
| Sound | Salvatore Grifi | Boom Operator |
| Sound | Luigi Salvatore | Sound |
