Li Yuanzhao is the most revered Grand Princess Who Guards the Nation in Great Qi. Born of the imperial bloodline, she is devoted to political intrigue, and no official in the entire court dares to challenge her authority. But one day, she suddenly discovers that the world she lives in is actually a wish-fulfillment novel written for a male audience! The male protagonist is the Heaven's Chosen One destined by fate. He was supposed to be the legitimate son of the late Empress, but after a switch at birth, he was abandoned among the common people and endured countless hardships. Unfortunately, Li Yuanzhao is the fake prince in that switch. According to the original plot, the male protagonist will rise from adversity, humiliating his enemies at every turn, gathering brilliant strategists from across the land, conquering countless breathtaking beauties, and eventually ascending the throne as emperor. Meanwhile, she, the false princess who stole another's rightful place, will meet the same fate as the other women in the story and become one of his concubines.