A bloodthirsty drifter befriends an immigrant family and avenges their murdered father.
-A graduate student trying to complete her research on a book project she hopes will help her down-on-her-luck mother brings friends to a house with a mysterious past, where the group unwittingly summon an evil entity who makes the home part of its terrifying game.
An overworked dad, missing out on his kids growing, takes an opportunity to start a "family business" thinking it will draw his family closer together - That is just mistake number one.