A giant, man-eating octopus suddenly appears in the Hudson River during the Fourth of July weekend and begins to leave a trail of dead bodies behind it.
Dead bodies are being found in the New York harbor. The police have no clues nor suspects until Nick and his colleague realize the killer is a giant octopus. Everybody, especially the police captain, refuses to believe Nick's story, and soon the harbor will be filled with boats for the 4th of July celebrations...—Calle