This is how they kill in Hollywood! Early in the morning on a deserted Californian beach, a lone runner is brutally murdered by a radio-controlled model airplane. A few days later, a young secretary is electrocuted in the bathroom of a luxury Los Angeles hotel. A few days later, a chest with the corpse of a strangled man is discovered in a furniture warehouse... Despite the lack of a visible connection between the murders, police lieutenant Fred Santomassimo has a suspicion that they were committed by the same person: popcorn, found by a detective at the scene of all three crimes, and the extravagant theatricality with which they are staged suggests that the killer is connected to the world of cinema. Santomassimo and his consultant and lover Kay Quinn, conducting their investigation on the streets of the film capital of the world, will have to plunge into a series of dramatic events and, risking their own lives, find out who is behind the series of bloody deaths that shook Los Angeles and what relation Sir Alfred Hitchcock has to what is happening …