He is just a handyman in an underground boxing ring, relying on his fists to make a living in the dark underground world. Every time I play, it's like being thrown into a meat grinder. If I win, I'll be in the boss's cash machine. If I lose, I'll be a bloody man on a stretcher. Until that day, he saw with his own eyes that his best brother was beaten into a vegetative state, while the mastermind behind the scenes was holding a wine glass and talking and laughing. He quit. He wants to overthrow the entire underground order. With the gloves torn and the bandages tightened, he stepped into the ring, facing the so-called undefeated champion and the boss who controlled everything. The lights in the audience were dazzling, and the referee sneered: "If you sign the sign of life and death, you are a dead person." He licked the blood from the corner of his mouth: "Then let the dead person teach you what a real counterattack is."