Half-Chinese and also half-Japanese Mari Hirakawa is the little girl of a Karate coach. Considering that her childhood, she was compelled under her father's training, and also has felt bitter Karate for as long as she can remember-- her only wish is to offer the dojo after her daddy passes away. Following his death, Mari starts daydreaming about her life of liberty; nevertheless, she figures out from her legal representative that her father has actually only left her 49% possession of the residential or commercial property, the various other 51% was entrusted to among his worst pupils, Chan Keung. Both clash, and also Chan has a recommendation-- if Mari is able to win a match in a genuine martial arts competitors, he will unconditionally offer her his share of the residential property. Mari is caught between the devil and the deep blue sea, and will have to choose that will certainly change her life ...