The protagonist, Li Ming, is an ordinary man with a passion for history who accidentally transmigrates to the Tang dynasty while visiting an ancient museum. When he arrives in Chang'an, he is both excited and bewildered. With no money to his name, he draws on his knowledge of history to land a job telling stories at a tavern.
Li Ming's impressive performance brings him to the attention of an official traveling incognito. The official recommends him, giving him a chance to enter the imperial court. But court politics are complicated, and Li Ming faces rejection and suspicion from the powerful. Through hard work, he puts forward original policy proposals and meets like-minded friends, while also attracting the covert schemes of opposing forces. Despite the constant difficulties, Li Ming presses on, adapting his plans as circumstances change and meeting every crisis with courage and wisdom. He strives to fulfill his grand ambitions in the Tang dynasty and contribute to its prosperity and the well-being of its people.