A model named Barbara Hallen has disappeared and her father gets private detective Sam Morgan to go to Paris to find his daughter. Barbara's trail leads Morgan to a plastic surgery clinic owned by Dr. Flamand. Morgan's investigation reveals the horrifying secret behind the Doctor's miracle cures which is blood and organs taken from kidnapped young women. As Morgan's investigation closes witnesses are eliminated, one by one, each in a more horrible way.
| Directing | Jesús Franco | Director |
| Writing | René Chateau | Writer |
| Writing | Pierre Ripert | Writer |
| Writing | Dominique Eudes | Writer |
| Production | René Chateau | Producer |
| Camera | Maurice Fellous | Director of Photography |
| Costume & Make-Up | Soraya Boulay | Makeup Artist |
| Costume & Make-Up | Éric Pierre | Key Makeup Artist |
| Writing | Jesús Franco | Writer |
| Editing | Christine Pansu | Editor |
| Camera | Jean-Jacques Bouhon | Director of Photography |
| Writing | Michel Lebrun | Writer |
| Sound | Anne Le Campion | Sound Recordist |
| Art | Bernard Giberot | Production Design |
| Art | Yan Arlaud | Set Decoration |
| Writing | Jean Mazarin | Writer |
| Sound | Jean-Louis Ducarme | Sound Designer |
| Sound | Jack Jullian | Sound Mixer |
| Sound | Romano Musumarra | Original Music Composer |
