This is a story about Shi Ran, a lay disciple of Xiaomu Temple, and his childhood sweetheart Xile, who traveled around the world on a pony. During a great famine, a 6-year-old orphan fled to Xiaomu Temple with the hungry people. During the conflict, she was the only one who squeezed into Xiaomu Temple and was taken in by Xiaomu Temple. The abbot named her Xile, and Xile became everyone's wish. When Shi Ran was a child, he saw a grand event of a duel between the martial arts leader and the leader of a brothel in Chang'an City, but it ended with the absurd ending that the leader of the Kudang School won the leader but was trapped on the roof and starved to death. The situation in the world suddenly changed, and people's hearts were in chaos since then. At the age of 18, Shi Ran's master (played by Wan Cang) had a premonition that Xiaomu Temple would be in trouble, and secretly arranged for Shi Ran (played by Zhang Tianyang) to change his name to Chang'an and return to secular life to go down the mountain to find an old man who forged a sword (played by Wang Liansheng). By chance, Shi Ran got the contemporary magic weapon given by the old man, and used it to seize the title of martial arts leader. Although he became the leader in Sepang, Shi Ran felt that the position of the leader was not as interesting as Xile (played by He Hongshan). Wan Yong (played by Jin Liang) wanted to become the leader of the martial arts world and kidnapped Xile to force Shi Ran to hand over the position of leader. Shi Ran finally gave up the position of leader and retired to the mountains with Xile. Wan Yong had organized the Sepang competition, but was Wan Yong controlling the martial arts world or was he controlled by the martial arts world? All the turmoil in the martial arts world is like a chess game. People are like chess pieces. How can they control themselves? The affairs of the world are just a game of human beings, and human beings are a game of heaven. The movie is adapted from Han Han's martial arts novel "Chang'an Chaos".