The secluded Wanqi clan are skilled at making and using poison, and have lived deep in the mountains for generations, where no outsider has ever set foot. By chance, Ye Chi wanders into their territory. Tormented by a parasitic poison, he is on the verge of taking his own life when the young master of the Wanqi clan, Wanqi Yuan, saves him. Ye Chi is constantly threatened by the martial world sects, so he plays the victim in front of the young master and tricks him into leaving the mountains. Together, they make a sect that was trying to uncover the truth pay dearly. The young master is determined to find a cure for Ye Chi's poison and sets out to gather the necessary ingredients. Along the way, he discovers that Ye Chi is actually a living medicine of the Wanqi clan. The kindhearted young master falls into Ye Chi's trap step by step, while Ye Chi, in turn, gradually finds himself moved by him.