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.

When a bloodthirsty serial killer begins murdering women with a carpenter’s set square, the story becomes a media sensation, inspiring kooks from all over the city to attempt to cash in on the publicity.