Yan Ling Yue was the beloved princess of the King of Northern Yan. After her kingdom fell and her family was killed, she was reborn in the body of the legitimate daughter of Chancellor Yan in the Great Zhou Dynasty. She is even granted a marriage decree, binding her to a fool! Zhou Zi Yu may be foolish, but he is extraordinarily handsome and the Great Zhou king's favorite, his ninth prince! To avenge herself, she dons a red wedding gown. From then on, he becomes her foolish husband. In the palace's inner quarters, she plays the pig to eat the tiger, outwits scheming princesses, punishes wicked consorts, and uses him to turn the Great Zhou royal family upside down. He acts like a fool and fools her into giving him her heart. It turns out the fool isn't a fool at all! A pampered heroine and a devoted hero: a love story between equals!