Sister Mary Jane is in trouble. Mind you, she has been lapping and pleasing her way through an entire convent of nuns instead of reading her passages. Sister Theresa puts her in 7-day lock down for her indecencies. Mary tries desperately to keep herself sane by recounting some of her indescretions with the other sisters but soon she can't contain herself. She grabs her emergency stash of Devil's Lettuce and lights up before floating into a euphoria. When she's inhaling this smoke on consecrated ground, though, it means that she's inhaling a demon straight from the satan's side. Once she is rattled from her bliss the demon has full control over her, playing with her body before going out to consume the other sisters. Once the demon returns she bathes in their essence and torments her body further before plotting out how she will impregnate the body of poor Sister Mary Jane with the antichrist and bring about the apocalypse.