The story of Iris, a ballet dancer who is driven to search for Otis, an old friend she has not seen in ten years. Her investigations lead her to a psychiatric hospital where Otis has been hospitalized during that time. Once there, those responsible for the center warn that Otis has developed a mysterious alternative personality, which they have nevertheless managed to block. Following Otis's release, the medics also inform Iris about Otis's unpredictability....