Cecilia is a sociology teacher at the University. One stormy night, Kevin, a poor young man, the son of her maid, desperately knocks on the door of her house. Terrified, she doesn’t open. The next day, Kevin’s body shows up floating in the river, murdered by the police. Cecilia begins to be haunted by the young man’s ghost. Disturbed, she tries to forget him and go on with her life, but now it seems she is the ghost.