In the Dajing Dynasty, the hierarchy of concubines was strict. The heroine Su Weiwan, as the concubine of the prime minister, was fostered in the countryside since she was a child. After returning to the capital, she was accidentally involved in the battle for the prince's heir. Relying on the medicine skills and extraordinary wisdom she learned in the countryside, she was forced to be a pawn, then worked step by step to stir up trouble in the court. Finally, she used each other and secretly fell in love with Xiao Che, the forbearing and sinister seventh prince, and jointly overthrew the cruel prince and powerful ministers, and jointly created a prosperous age.
