The young Lu Xiaosui, a little-known gangster, is destined to be involved in the competition for the most precious martial arts treasure - the Shadowless Sword Technique. From then on, he and his best friends Hua Manlou and foodie Pang Dun'er teamed up with Bai Yiyi, the heroine of Baihuamen, to fight wits and courage along the way and repeatedly overcome dangerous situations. Amid the disputes between heroes and tycoons, and the confrontation between good and evil, Lu Xiaoran unexpectedly grew into a new tycoon. In the struggle with Pei Wuhen, the leader of Tianxie Cult, friendship, love, betrayal and humor go hand in hand. In the end, in the battle between good and evil, he used his wisdom and courage to break the situation, eradicate the great harm in the martial arts world, bring the world to a new pattern, and become a legend himself.