After his wife, a concert pianist, is found murdered a wealthy man is suspected of her murder. But as more suspects begin to pile up this mystery might take its toll on more than one participant.
| Directing | Jesús Franco | Director |
| Writing | Jesús Franco | Writer |
| Sound | Daniel White | Music |
| Crew | Stephen Rosenfeld | Cinematography |
| Editing | Claude Gros | Editor |
| Camera | Raymond Hardy | Still Photographer |
| Camera | Alain Hardy | Director of Photography |
