Five hundred years ago, Zixia (played by Zhao Yi) went down to the earth to find the beloved Zhizunbao (played by Huang Zitao) who pulled out the purple-green sword, but she broke the purple-green sword. In order to repair the sword, Zixia uses the moonlight box to travel through time. Five hundred years later, Zhizunbao lost the memory of his previous life, reincarnated as the leader of the Ax Gang, and lived with the kind-hearted Bai Jingjing day and night...