８０年前，男的教画画、女的教弹琴，在同一高中内二人静静地恋上。情事不能公开，男的只可在隔壁偷听她的琴声。一天钢琴搬走了，男教师突然失踪，女的便伤心而终。多年後，戏剧组女学生自杀身亡，没留下遗书，余下的竟是８０年前女教师爱弹的那篇乐章！她的戏剧遗作中，又竟与十诫中的引言有关？怪事接踵而来，命案也离奇地相继发生。更离奇的是每宗命案，都似乎与新来的男生有关…改编自日本畅销过十亿的「死者之学园祭」。 nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp;　　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.