Young couple Madeleine and Neil are coaxed by acquaintance Monsieur Beaumont to get married on his Haitian plantation       Beaumont's motives are purely selfish as he makes every attempt to convince the beautiful young girl to run away with him       For help Beaumont turns to the devious Legendre, a man who runs his mill by mind controlling people he has turned into zombies       After Beaumont uses Legendre's zombie potion on Madeleine, he is dissatisfied with her emotionless being and wants her to be changed back       Legendre has no intention of doing this and he drugs Beaumont as well to add to his zombie collection       Meanwhile, grieving 'widower' Neil is convinced by a local priest that Madeleine may still be alive and he seeks her out