The presence of mafia boss Vangelli's yacht in front of the island of Ventotene brings a group of prisoners of the penitentiary close.
| Directing | Gianfranco Piccioli | Director |
| Writing | Adriano Bolzoni | Writer |
| Writing | Gianfranco Piccioli | Writer |
| Writing | Rita Sala | Writer |
| Production | Mauro Berardi | Producer |
| Sound | Augusto Martelli | Music |
| Crew | Renato Lomiry | Cinematography |
