Modern business elite Xiao Wangshu time-travels into a book, becoming the legitimate daughter of the prime minister whose power overawes the court and the country. Knowing the end of the Xiao family in the original book, she completely abandons her love-brain, publicly counterattacking the noble lady who framed her, entering the palace to help her legitimate elder sister the empress escape her predicament. First borrowing commerce to accumulate financial power and gather loyal subordinates, neutralizing the political marriage crisis, she later assists her father in pacifying the border wars. After her father ascends the throne, due to her peerless tactical genius, grasp of financial power, and the people's hearts, she is exceptionally conferred as history's first imperial crown princess, wielding supreme authority over the imperial court.