Recently, a hot search has aroused heated discussion on the Internet. During his lifetime, a man claimed that he had been to a place called Yong'an Country, where there was an emperor and a prince, and it was another dimension. The man died a few days after returning. This attracted the attention of adventure enthusiast Xia Ran. She searched with her friends, but could not find the entrance. One day she suddenly entered this alien space, and then started a battle for secrets.