Li Muchen, a disciple of Kunlun Mountain, descends the mountain on his master's orders—to fulfill his arranged marriage with the Lin family and investigate his grandfather's mysterious death. Mastering unparalleled martial arts, he's mocked by the Lins for his outdated attire; when they try to break off the engagement, he's instead hunted down. Amidst the chaos, Li Muchen unveils his extraordinary powers—winning the trust of Lin Manqing, the Lin family's eldest daughter.