The film is set in Edo period. As an orphan child Mio starts working at a restaurant in Osaka where she learns how to cook. When she turns 18, she moves to Edo (today's Tokyo) where she opens her own restaurant.
A gang of underground street fighters calling themselves "Guilty" think they've hit the mother load when they mug a thief and discover he's carrying a bag filled with cash, unaware it's been ripped off the notoriously ruthless Yakuza who'll stop at nothing to reclaim what's theirs.
After her parents' death, Umino Miyuki was forced to give up a promising future in tennis to take care of her three younger siblings. Her elder brother, in a plan to become rich, disappears, leaving a 250 million debt on his sister's shoulders. Two debt collectors seek her out for payment and inform her that she will be forced to work as a bath hostess at a bath house if she cannot come up with the money. Miyuki makes up her mind to become a professional tennis player in order to win the prize money. She seeks for help from the son of a famous tennis family, Ootori Keiichiro, who was also her senior in middle school and fellow tennis player. Will Miyuki be able to become a pro and pay off the debt?
