Mika and Masato, childhood friends and fiancés. One day, a man named Kita, who worked in the same workplace as Masato, visits them. Kita is a cosmetics door-to-door salesman and persistently tries to persuade Mika to buy his products. Kita has debts from a yakuza gang and has been forced to start fraudulent business practices and various other schemes. For his own self-preservation, Kita, with no other options left, boils with anger and kidnaps Mika, who is alone at home. And then, what Masato received days later was a picture of Mika cruelly bound...
