A college student finds a canister in his uncle's attic that contains a drug more potent than Ecstasy. When word of the drug; nicknamed "Z" for its Zombie-like hallucinogenic effects; reaches unscrupulous college drug dealer Skeet; he hatches a plan to sell the drug to ravers attending the ultimate rave party. But when the drug's side effects start to kick in; the ultimate rave turns into the ultimate grave as party goers drop to their death...then rise again to feed!