During the prosperous period of the Tang Dynasty, Wu Zetian was proclaimed emperor, and the people lived and worked in peace and contentment, got married and had children, but no one knew that there was another paradise on a mountain in the border town. A fortune teller once said that the reason why outsiders can't enter the paradise is because there is a realm below. It's hard to talk about what happened thousands of years ago, and you don't dare to talk about it in a ostentatious way, which attracts fairies.