AllMovie

In this atmospheric psychological thriller from Spain, Lamarca (Carmelo Gomez) is a private detective who has been haunted by vivid dreams of his own death. One day, a wealthy gentleman named Eduardo (Sergi Mateu) hires him to trail his wife, Sofia (Maria Casal), who has not been herself since the death of her mother. Lamarca monitors her activities with a camcorder for several days, then sends a cassette of highlights to Eduardo. However, the tape falls into Sofia's hands by mistake. Enraged, she contacts Lamarca under an assumed name and hires him to keep watch on her. Sofia starts playing to the camera, and draws the detective into her web, leading to a dangerous relationship between the two.