When Natsuno Anzu hears a hauntingly beautiful song come from the lips of a girl who just moments later commits suicide on her schools premises, she begins to look deeper into her school and the song. Meanwhile, Takashi, an editor at a B-grade subculture magazine, hears a rumor about a song that will cause its listeners to die. In half disbelief, he looks into the truth. But when Takashi runs across Anzu in his persuit, the two step closer towards the shocking truth.