A husband and wife's weekend in a mid-century modern vacation rental turns deadly when the husband discovers the owner is a psychopath with a backyard of buried secrets and designs on his wife.

La víspera de Halloween, un maníaco (Marc Valera) armado con un cuchillo vaga por las calles buscando a alguien a quien matar. La víctima podría ser Kaylie (Brooke Anne Smith), una joven estudiante que hace de canguro del hijo de su mejor amiga (Nikki Limo). Pero Kaylie no es una chica como las demás.

Mary, a woman with good intentions, takes pity on Henry, an artist with no home. What begins as a simple offer to come inside from the cold for tea gradually turns into more. Before the unsuspecting woman knows it, Henry, his family, and his friends con their way into her home. Eventually, Mary creates a ruse to rid herself of the parasites, but they have a different plan.