Li Changshou, a young man plagued by an incurable disease, is reborn as a qi practitioner in ancient times before the battle for godhood. To gain immortality and survive in the cruel prehistoric times, he keeps a low profile and always weighs his options before taking action. He avoids all danger and hides his strengths, practicing the art of escape while learning how to refine pill poison. Until one day, his master brings a female junior disciple back. Li Changshou, who only wants to cultivate himself in peace, is embroiled in a series of adventures. Most of the time, he remains unruffled, but when he takes action, the power he unleashes is earth-shaking. As he defeats evil enemies, he also makes like-minded friends and realizes the value of his life.