An aristocratic English family gather for the reading of their father's will. The family are dismayed to find that everything has been left to Barbara, the deceased's favourite daughter. The butler is soon found stabbed to death and Sergeant Thorpe, the local bobby, telephones Scotland Yard for assistance. Inspector Grey arrives and he and Barbara narrowly escape being shot. Cousin Ted and his wife Pauline are both killed. Sergeant Thorpe recalls some photos which Ted asked to have developed...
| Directing | Michele Lupo | Director |
| Writing | Sergio Donati | Screenplay |
| Writing | Sergio Donati | Story |
| Writing | Massimo Felisatti | Screenplay |
| Writing | Massimo Felisatti | Story |
| Writing | Fabio Pittorru | Screenplay |
| Writing | Fabio Pittorru | Story |
| Production | Antonio Mazza | Executive Producer |
| Sound | Francesco De Masi | Original Music Composer |
| Crew | Guglielmo Mancori | Cinematography |
| Editing | Vincenzo Tomassi | Editor |
| Art | Ugo Sterpini | Art Direction |
| Art | Boni Fraulo | Set Decoration |
| Crew | Gene Luotto | Post Production Supervisor |
| Sound | Francesco De Masi | Conductor |
| Production | Franco Committeri | Producer |
| Production | Federica Ippolito | Producer |
