A rainy night. Dazed and numb, Luz, a young cabdriver, drags herself into the brightly lit entrance of a run-down police station. In a nightspot, Nora seductively engages police psychiatrist Dr. Rossini in a conversation. Nora tells the Doctor about her old schoolmate Luz’ rebellious past at a Chilean school for girls. Nora is possessed by a demonic entity, longing for the woman it loves - Luz.