Receiving a tip from his dentist Jack Shorter, policeman Peter Pascoe takes a closer look at the Calliope Kinema Club, a film club notorious for showing adult entertainment movies. Shorter is convinced that one particular scene in a movie he recently saw was too realistic to have been staged with fake blood, but when Pascoe and his bluff superior Andy Dalziel starts investigating, they soon comes across the actress in question, Linda Abbott, who obviously didn't suffer from any harm and assures Pascoe that the concerns are unnecessary.

The wise-cracking Fitz is a brilliant but flawed criminal psychologist with a remarkable insight into the criminal mind.