The Mexican guerilla leader Tepepa and his gang fight against the chief of police, Cascorro.
Professor Paris Catalano visits Venice, to investigate the last known appearance of the famous vampire Nosferatu during the carnival of 1786.
An orchestra assembles for a rehearsal in an ancient chapel under the inquisitive eyes of a TV documentary crew, but an uprising breaks out.
Tourists on a tropical island anger an island god, who turns himself into a giant alligator and stalks them.