A populist right-wing tabloid newspaper tries to derail the official police investigation of a brutal murder of a young girl in order to help the fascist and right-wing candidates it supports in the upcoming elections.
An American photographer in Rio de Janeiro becomes involved in the world of “knife culture” when he sets out to find the killer of one of his models.
Dr. Ernest Tindal kills his wife and plants clues pointing to her lover, Frank Marsh. Vera, Frank’s sister, enlists the aid or reporter Russell Kirk in proving the innocence of her brother. Detective McKinley thinks that gangster Jack Reed is involved and shoots Reed when he attempts to escape. Reed gets away but goes to Dr. Tindal for treatment of his wound and Tindal kills him on the operating table. Kirk has uncovered some new evidence and confronts Tindal with it.
Delia Peletier has been paid to have a child for a wealthy man who wants an heir. She has the baby and turns it over to her “employer,” but subsequently decides she wants the child back. She hires three men to kidnap the child. The quartet hides out in the house of Bernard Lapin, a nuclear scientist they believe to be away on business. Lapin returns, however, and becomes romantically involved with Delia.
Scott Valentine is a vampire who is torn between his need to feed and his desire to learn about the world of humans. But when he kidnaps Nina, a beautiful but troubled stripper, his world is turned upside down. For after she discovers that he cannot be hurt physically, Nina tries a new tactic — seduction.
When he learns that his friend Xavier has been arrested for murder, ex-gangster Roberto La Rocca comes to Marseilles to avenge him. He confronts gang boss Villanova who framed him.
A doctor who is also a “mentalist” confesses to a murder. The only problem is that the murder he’s confessed to hasn’t happened yet–although dead bodies are now starting to turn up all over the place. A reporter sets out to solve the “mystery”.
In this grim story, three murders of young girls are committed in a similar manner, and their bodies are all found in the woods. The only suspect, a young man assumed to be a pedophile, commits suicide during the investigation. A policeman becomes obsessed with solving the mystery of this serial killer and he continues to investigate even after he has been taken off the case.