In 2102, at the beginning of the 22nd century, mankind was shrouded in the dark clouds of a new world. The big shots in the upper class were secretly establishing their own systems, waiting for the time to come, and planning to escape from this chaotic world of the new century. However, the little people were still living an ordinary day and night! Yun Duo, a girl from a small city in the 18th tier, met a mysterious man by chance during a vacation abroad. From then on, she had a group of passionate good friends in her life, and she also had a 100% perfect boyfriend. Under the guidance of this mysterious man, Yun Duo gradually moved from an ordinary girl to the upper class society, and became the ruler who controlled the changes in the current situation...