On the Yongxian Continent, a land divided among many dynasties, people train in martial arts to toughen their bodies and extend their lives, and those who reach the summit go on to seek immortality. Su Yu once lost his family to disaster and died himself despite taking a new name, only to wake again as a teenager. Aware that his family's downfall is near, he turns to the secret immortality techniques he learned in his first life. Through hardship and constant travel, he works to prevent the tragedy, uncover the truth behind the wrong done to his grandfather's family, and rewrite his fate one step at a time.