It tells the story of a kind-hearted young boy, Wang Xiaoshi, who went down the mountain to travel and entered the world of martial arts for the first time. By chance, he met Bai Choufei, Wenrou, Su Mengzhen and others, and established lifelong friendships with them. In the turbulent world of Beijing, he experienced brotherhood and the lingering love of the world, and in the process gradually grew from an ignorant boy to a "hero" who can stand on his own.