One night in Tunis. Mariem, a sex worker, tries to reach Dali. Her unrest grows when she fears he will break the promise to give her a double mattress.

Plagued by bulling from the Lu family, Lin Dong decides to enter the competition in Qingyang Town. By chance, he acquires a mysterious ancestral talisman and becomes a kung-fu master overnight. As the young man takes on the role of the Dragon Fist to fight off the bullies, he is also targeted by various forces when the secret of the Ancestral Talisman is leaked, and a battle between power and freedom ensues.