A bereaved Satanist couple kidnap a pregnant woman so they can use an ancient spellbook to put their dead grandson's spirit into her unborn child but end up summoning more than they bargained for.

Ruby, an aspiring romance novelist, joins a writers retreat in Tahoe, in order to win a lucrative book deal. But when Woody, the hotel owner, shows her the beauty of nature, Ruby wonders if she's been writing the wrong kinds of st...