Yang Lei gets caught up in underworld conflicts while protecting his sister-in-law. Hunted by Li Ninghu, Hong Tiangang, and others, he has no choice but to join Sister Mei's Golden Hall, where he must earn his place in life-or-death boxing matches. In the ring, he faces powerful opponents and endures threats from all sides and the pressure of the bets, until his fighting spirit erupts in the depths of desperation.
