Anton is a former boxer who retired upon accidentally killing an opponent in the ring during a prizefight in the U.S. Returning to the Philippines, he finds himself destitute and jobless. He is hired by a mysterious foreman named Erning who assigns him and a companion named Lope to renovate a lone, decrepit house on a hill at the outskirts of Metro Manila. While working in relative isolation in the house, an apparition of a ghostly child appears to Anton seeking his help to release her from the clutches of a demonic-looking entity dressed in a cloak and mask, who enslaves the little girl inside the second-story room of the house. Despite specific instructions not to open the locked basement door of the house, the mischievous Lope's insatiable curiosity leads him to do the exact opposite. He inspects the contents of that peculiar cellar of the home. Standing against a corner wall of the room, he finds a large antique wooden altar on top of which is the carved bust of a strange dark ...