Yang Jian once achieved glorious military victories, only to be betrayed by his brothers and manipulated by his uncle, becoming a pawn in other people's hands. At the brink of death, he unexpectedly returns to an earlier time in his life. The regrets and pain of his previous life remain vivid in his memory, and this time, he refuses to let others control his fate. He protects the villagers, slays the monstrous demons wreaking havoc, and does everything in his power to rescue his parents. Along the way, he meets the Stone Monkey and Nezha. Sharing the same ideals, they join forces and rally their strength to confront the constraints imposed by the Heavenly Court. This time, Erlang will break free from his predetermined fate and demand justice for his loved ones and for the Three Realms.