Five years ago, boxing champion Jiang Lie was nailed to the pillar of shame for match-fixing; five years later, underground boxing champion Qin Xiao knocked on the door of the professional arena with his flesh and blood. When two men torn apart by fate meet in the cage, the shadow of former coach Zhao Xuan, the silence of lame referee Chen Xi, the undercurrent of female coach Bai Yuan, and the little girl who always hangs marbles outside the iron fence make every punch hit the wound of the truth. They are not fighting for the championship, but to give themselves a night where they dare to look directly in the mirror.
