A shocking murder case has occurred. The sight of the victim's mother clinging to her child's corpse and wailing made Detective Yumi Ozawa swear to catch the culprit. Years passed without any leads on the perpetrator. One day, Yumi received a call from the victim's mother, who claimed to have regained her lost memories from that time... She insisted that she had encountered a man right after the crime, and that man was supposedly Daisuke Oshima, the president of a management consulting company. Yumi headed alone to Oshima's office to uncover the truth, but…
