Once the "undefeated king" among professional freestyle fighting athletes, Henry Hann lost a match after being drugged. He accidentally caused the death of his daughter, then sank into despair and worked as a deliveryman. Nana and her daughter Mia became the light in his life. However, Mia was targeted and kidnapped by a criminal gang led by Gus Qinston. Henry Hann rekindled his anger, picked up his fists for revenge and got help from small - time figures like Todd Songston and Chase Cheung. On the revenge path, he faced Qinston and others and resolved old grudges. Finally, with everyone's help, he saved Mia and brought the criminals to justice.
