玛丽还是个21岁的处女,一天晚上睡觉醒来后,她竟然怀孕了。原来恶魔在她的腹中种下了自己的后代,而随着诞生日的逼近,玛丽身边的活人也越来越少……Mary Elizabeth goes to bed alone one night, still a 21 year old virgin, and wakes up the next morning...pregnant. Possessed by the demon fetus growing within her womb, Mary Elizabeth obeys her homicidal cravings to kill...for the sake of her unborn spawn. Mary Elizabeth's dark transformation, controlled by her unborn demon child, is driven by its dark cravings. Once the child is born there will be hell on earth. From this apparent immaculate conception comes edge of your seat terror.