Lin Yu, a modern history enthusiast, accidentally traveled to the Qin Empire and possessed a minor official of the Qin State. He worked hard to adapt to ancient life, and quickly emerged with his knowledge of history, and was able to enter Xianyang Palace to meet Qin Shihuang. Lin Yu was appreciated by Qin Shihuang for his accurate historical judgment, but at the same time he attracted the jealousy and frame-up of the powerful. In the midst of the turbulent palace intrigues, Lin Yu was fearless in the face of danger, dealt with skillfully, resolved crises time and time again, and made suggestions for Qin Shihuang to solve problems. He eventually became an important counselor around him and wrote his own legendary chapter in the Qin Empire.