In the chaotic late Eastern Han dynasty, the eccentric Zuo Ci and his quirky female disciple Si Xi enter the mortal world, hoping to live leisurely, but unexpectedly get entangled in disputes with the prime minister and heirs. Faced with political schemes and powerful enemies, the master and disciple calmly handle them, repeatedly breaking through dangerous situations. As the mysterious figure Gui Mingzi appears, Zuo Ci's sealed old grievances of thirty years gradually unfold, and a mysterious relic uncovers astonishing secrets of various factions. Si Xi faces a life-and-death ordeal, her power unexpectedly awakening, and Zuo Ci finally tears off his nonchalant disguise. When the disciple is dragged to the execution ground, the secluded great immortal master furiously flies into a rage! Joining forces, the master and disciple face old enemies and conspiracies head-on, kicking off an ultimate showdown that reverses life and death and shakes the world!