Everyone in the world is seeking the method of immortality, trying to defy nature. Legend has it that Shennong tasted all kinds of herbs in order to find the secret of immortality. The Shennong family had a magic weapon called Shennong's Ruler. Anyone who gets it can live forever. But now Shennong's Ruler has disappeared. Tens of millions of years later, the Fox Clan was looking for its only descendant in this world and shouldered the Fox Clan's mission. The Fox Clan's protector Bai Xi used the Fox Clan's secret technique to reverse time and space, just to protect the nine-tailed fox bloodline. Although the popular star Bai Qiqi is loved by thousands of people, none of her assistants suits her. A mysterious knock on the door breaks her original life, "Bai Qiqi? I'm here to apply for an assistant. I will be responsible for your life from now on."