The Yongxian Continent is home to numerous dynasties where the inhabitants follow the ancient tradition of Xianwu. This involves cultivating their physicality and increasing their life spans as they strive to achieve mastery in martial arts and comprehend the path of Xiandao. Su Yu, who had changed his name and surname due to a grave injury in his youth, was uneasy until he was unexpectedly reborn into his younger self. With a premonition of his family's demise, Su Yu commits to diligently mastering the esoteric techniques of Xianmen to protect his loved ones.