At the end of despair...

Hiromi is about to marry Hidehiko, the son of a wealthy family. However, Hidehiko's father commits suicide after accruing debts, and the engagement is broken off due to Hidehiko's father's objections. A year later, Hiromi is abducted by a yakuza who wants him to repay his debt, and she meets Hidehiko again at a sex shop, but...