Michelle lives in Paris with René, who is influential politicians. One morning as Michelle discovers that her 18-year-old daughter Lauren has not come home from a pub tonight. René does not want to involve the police, because he does not want a scandal that could affect his political career negative. They decide instead to hire a private investigator. It turns out that Lauren has been kidnapped to be used by a gang producing snuff. Detective withdraws from the case, however, because he fears for his life and Michelle decides to find their own daughter. The hunt goes by porn swamps in Paris, Amsterdam and Hamburg.
Giovanna Dei, a young cartoonist, works on the violent comic strip "Doctor Dark". Unfortunately, young women are being killed in the style of the comic strip character and she becomes the main suspect.
A homicidal maniac known as the 'tail', dressed in a clown mask, raping and killing a number of girls who work in erotic phone lines. The case has been assigned two policewomen, Lorraine and Consuelo, who begins to investigate, by phone sex, where they are to interview the victim's friends. After the second telecommunications operator, is murdered, his mind and Consuelo & Lorraine to take a job at the hot line.
