One is the cold immortal king who temporarily takes over the post of Yue Lao, and the other is the notorious and glamorous demon king, but they are tied together by Yue Lao's marriage thread and become happy enemies. In fact, they are the right match, and they both hide countless secrets. Following the drastic changes in Jiuchongtian, they went to the mortal world to search for the Yuanzhu, met Shen Tianyang, Yao Nian and others, and were successively involved in the struggle for hegemony and imperial power... In the end, the immortal king became a true Yuelao and embraced the beauty.
