Lin Yu, a 28-year-old game company programmer, is a complete lover of history and strategy games. He is immersed in the virtual world all day long. After working overtime one day, he was so tired that he fell asleep in the company. When he woke up, he found that he was in a magnificent palace, and everyone around him shouted "Your Majesty" to him. Before he could react, a group of ministers rushed in to report on thorny issues such as border wars and financial deficits. Only then did Lin Yu realize that he had traveled through time and became an ancient emperor.