The grievances of the previous generation doomed the misfortune of the next generation. How many conspiracies are there? A destined emperor has become a substitute and becomes the concubine of the current emperor. When the misunderstanding is resolved, he thought he could find happiness, but the appearance of another substitute causes everything to be out of balance. Where should he go? The emperor who hides everything, the scheming prince, the gloomy and dark master, the shadowy leader, and the gentle and jade-like king of a foreign country, who is his true happiness?