A legitimate daughter who had been raised as a son by her family for fifteen years, on the day her "brother" was born, an imperial decree allowed her to enter the palace as the heir apparent. The whole capital is watching the joke between the Zhenguo Palace and the emperor - sending a man to be the queen? However, on the wedding night, she used a dagger to open the emperor's clothes and smiled coquettishly: "Your Majesty, this concubine is in trouble." Little did they know that under the dragon bed, in another capacity, she had already controlled half of the court. This is a world-wide game that begins with a ridiculous marriage. In this male-dominated world, she wants to sit on the only and highest throne step by step.