Inspired by terrifying true events. The new tenants of a house start terrorizing the owners of the place they rent, looking for their next prey to sacrifice.

Married couple Ning and Kawin move to a condo with their daughter Ing and rent out their house to tenants, Ratree, a retired doctor and her daughter Nuch. As Kawin's behavior becomes increasingly disturbing, he is seen sporting a triangle-shaped tattoo, the same as Nuch's. Meanwhile, Ning realizes that their daughter is being possessed by some unseen forces.—exe_malaga93