Qingcheng disciple Xiao Han takes his master's order to descend the mountain, stepping into the prosperous Yuncheng with three marriage contracts and old debts of his sect. Encountering wealthy family bullying and scheming, he further uncovers an old secret scheme of poisoning. Relying on his peerless medical skills and the Qingcheng Seal, he stirs up various forces, stands side by side with Mu Wanqiu who is trapped in a desperate situation to break the deadlock, and confronts the menacing Long family forces from the capital. When the dust settles and after experiencing the trials of the mortal world, he takes his beauty and returns to Qingcheng with swords in hand.