A homeless man, Maezono, has lost his memory of the past. One day, a women, Rina, who identifies herself as his stepsister, visits Maezono. She is a younger sister of his wife, Aki, and confesses that his wife was murdered 2 months ago and the murderer is not captured yet. Maezono trusts words of Rina and start exploring Maezono’s memory to track a shadow of the murderer. However, truth of his past from discovered memories reveals a series of unwanted reality. The game of life with love and malicious intentions around Aki… Witness the answer after they discovered everything.