Zhou Shi, the invincible "Death God" in the boxing world, was sentenced to five years in prison due to an accident. After he was released from prison, his wife passed away, leaving only his daughter Zhou Zizai waiting for him. His young daughter was found to have leukemia. In order to fulfill his daughter's wish, Zhou Shi returned to the ring at the age of 36 and started a battle with the boxing champion for the IBF gold belt. Even if his physical strength was exhausted, his head was bleeding, his vision was blurred, and his flesh and blood were splattered, he would continue to fight until the winner was decided...