The Uninvited Guest (El Habitante Incierto) (2004)
(Drama/Mystery) Felix, an architect, lives in a big house, alone in his five hundred square meters. His girlfriend, Vera, has moved out and left him. Her belongings are still in Felix?s house and bring back memories of their life as a happy couple, making him feel more alone than ever. One night, a stranger knocks on his door and asks him if he can come in to make an urgent phone call. Felix lets him in, and after a short moment of inattention, the stranger seems to have disappeared without leaving a single trace. A series of distressing events follow, leading Felix to the conclusion that the stranger inhabits his house. Felix will discover that the space around him has its own identity. The consequences will be deadly.