80 years in the past, an unfulfilled love between two teachers in Tezuka Academy tragically leads to mysterious death. Many years later, Yuko, a Drama club student, kills herself by jumping off the school rooftop, leaving no suicide note but a pieve of music that the dead music teacher who used to play. Yuki, the best friend of Yuko, decides to stage a play Yuko failed to finsish. but when Yuki begins to suspect that a quotation from the Old Testament in Yuko's script is in fact a last message, tragedy strikes around her.