When nightclub owner Langston (Larry D. Johnson) refuses to sell out to local mob boss Morgan (Robert Quarry), he is beaten to death by a gang of hired thugs. His grief-stricken fiancee, Diana "Sugar" Hill (Marki Bey), vows revenge for his murder and turns to aged voodoo authority Mama Maitresse (Zara Cully). Together they conjure up the demonic spirit of Baron Samedi (Don Pedro Colley), who agrees to help Sugar. He raises an army of zombies and sets them upon Langston's killers.