The drama series revolves around Wangquan Fugui, who is trained as the ultimate demon-slayer of the Yiqi Alliance since childhood, meeting Qing Tong, a spider demon who infiltrates Wangquan Manor as a spy. Qing Tong's presence allows Fugui to broaden his horizon and change his view on demons. Yearning for freedom, Fugui's fervor for attaining world peace is gradually ignited.After experiencing extreme agony, he leaves Wangquan Manor with Qing Tong, embarking on a journey of self-enlightenment.