The legendary martial arts manual, The Free-Spirited Sword Manual, resurfaces in the Northern Yue Sword Sect, stirring turmoil across the martial world. Amidst the chaos, the sect’s female grandmaster makes an unprecedented decision to take in a young male disciple, Su Mubei, and even passes the sect leader title to him. This shocking move enrages rival sects, setting off a storm of conspiracies that will soon engulf Northern Yue.