When agoraphobic, Eric King moves into an old abandoned apartment, he is terrified to discover that someone else is already living there. A classical pianist named Dorian has been trapped inside an enchanted mirror since the last century. Too afraid to leave the confines of his new home, Eric begins to take lessons on the piano from the strange man in the mirror. Though Eric's fear of the outside world clashes with Dorian's desire for freedom, their lessons turn Eric into a master pianist. As they perform a final climactic duet, Eric suddenly finds himself trapped in the mirror in Dorian's place, as he has a final transforming revelation.