A young cabdriver, Luz, enters a run-down police station on a rainy night, disoriented and numb. Meanwhile, a psychiatrist, Dr. Rossini, is seduced by a mysterious woman, Nora, who shares stories about Luz's troubled past at a Chilean school. As Dr. Rossini becomes increasingly drunk, he falls under the influence of Nora's demonic entity, which has a strange fascination with Luz. The doctor puts Luz under hypnosis, and she begins to recall events leading up to her arrival. However, the entity controlling Dr. Rossini starts to manipulate Luz's memories, uncovering long-forgotten secrets.
Luz
A young cabdriver, Luz, finds herself being stalked by a demonic entity that is driven by an all-consuming passion for her, leading her to seek refuge in a worn-out police station.