Husband Keiichi, who was entrusted with a large investment in a foreign fund.Her colleague Oki was her best friend and rival.However, one day, Keiichi is forced to make a big loss.Ohki proposes a certain game to Keiichi.He seduces Keiichi's wife, Mayu, and says that if he rides, Oki will win, and if he doesn't, he will give up his deal.Keiichi had absolute confidence.She says Mayu says she loves herself.And when the game starts, Oki cleverly disturbs Mayu's mind and robs her...