The seventh prince Xiao Yanduo activates a strange system on his way to the throne, and the prompts are always wrong - he dares to show off three dishes when he says the pastries are poisonous, and slaps his opponent in the face with his backhand when he says the pastries are harmless, but he always gets the wrong result if he follows the wrong information. He is arrogant and funny, both good and evil, and blindly jumps into dangerous situations based on the system. I met Su Qingyuan, the legitimate daughter of the Duke of Zhenguo, by chance. She was cute and Buddhist, mysterious and unpredictable, with her own contrasting cuteness. The villain is hypocritical and scheming, but he is repeatedly slapped in the face by Xiao Yan's outrageous operations. The accidental triggering of interpenetration between a man and a woman, and the hilarious daily exchange of bodies deepened the bond between the two. Xiao Yan encountered many situations on the way to pursue his wife, and the crematorium was filled with sweetness. In the end, he won the title of heir with the help of a strange system and elegant operation, and brought the beauty home.