An accident brings Sun Shaoyang into the world of cultivators. Taken in by an old cultivator, he experiences one history-shaping event after another at the man's side: the fall of ancient dynasties, the truth behind a legendary city, the tangled relations between demons and humans, sect rivalries, and turmoil across the world. A chance encounter with an immortal opportunity sends him soaring, and as he fights through troubled times, he only grows stronger. In the end, he sets foot on the path to immortality and becomes a renowned hero of his age.