"Next, Nico-chan will be the target!" A series of murders hits classmates one after the other. Takagi (Mamiya Shotaro) is investigating the truth, and his premonitions come true, with a third victim! Who could the culprit be? Sonoko (Araki Yuko), who is investigating the case with Takagi, turns her suspicions to Takagi's best friend, Koyama (Morimoto Shintaro), who has just returned to Japan at the right time...! Is Koyama the real culprit? That can't be, but... the suspicion can't be wiped away! What is the "blank 22 years" between Takagi and Koyama, who were best friends?