Bywater's native Seminole Indians believe the swamp will be bloodily revenged by its guardian spirit, a 'dark warrior', for its 'rape' by Frederic and son Jake Schist's oil-drilling, sold out by their own late chief Ted Sallis. The rig is illegally protested against by hot-head ecologists, who get blamed for vandalism on the site. New, outsider sheriff Kyle Williams suspects immediately local adolescent Billy James wasn't eaten during love-making there by a cayman but by a mysterious monster, which already made and soon makes new bloody victims in weird, inconsistent ways. Several people add to the danger.

In San Cazador, California, the clumsy vampire hunter Edgar Frog is evicted from his trailer. But the best-seller writer Gwen Lieber offers him a job to destroy the head vampire DJ X that promotes worldwide raves to increase his army of undead. Gwen tells that her brother Peter disappeared in Ibiza two years ago in an X-Party promoted by the alpha-vampire. Now DJ X is coming to San Cazador to promote a sacrifice during a party in the blood moon on the next Friday, and Edgar discovers that the rave will take place in a slaughterhouse in an island. Gwen hires also the Hollywood participant of reality show Lars von Goetz that comes with the cameraman Claus. Edgar invites his brother Alan to join the team but he declines, and he teams up with his friend Zoe. When the group finds DJ X, Edgar discloses a secret about the head-vampire.

After joining the Skulls, Ryan Sommers (Robin Dunne) is warned not to betray any secrets about the organization or its high-powered members. However, when Ryan witnesses a murder within the Skulls' private chambers, he finds that the closer he gets to revealing the truth - the more dangerous life becomes.