Martial arts master Lu Chenzhou had profound martial arts attainments and unfulfilled ambitions. By a twist of fate, he is reborn as Jiang Nuonuo, the frail and sickly young daughter of the martial arts family Jiang, and binds with the Grandmaster Cultivation System. Though physically weak, she deeply understands the true essence of martial arts. While nursing her weak body and secretly practicing martial arts, Jiang Nuonuo stuns everyone in the family martial arts competition and becomes the disciple of a renowned master. Facing the disputes of various sects in the pugilistic world, she grows step by step, explores the hidden pasts between her two lives, untangles the knots in her heart, walks her own path of martial arts, and reaps precious family affection.