The male lead, Takeshi Ayasaki, comes from an obscure village. His passion to become a boxer leads him to the big city. However, with no formal training, he is not allowed to fight.
He even gets cheated there and loses all his belongings. The female lead, Tachibana Sakura, spots his potential and decides to train him into a professional boxer. When an arrogant boxer named Mike Stallone dares all boxers in the city to fight him and even defeats Sakura’s brother, Ryuichi, the furious Ayasaki takes up the challenge. Can he survive Stallone’s iron fists?