Liu Rushi was originally the God of War Princess of the Great Xia Kingdom. After the war was quelled many years ago, she took her daughter, who did not remember anything, to live in the countryside incognito and bought tofu.

One day, the father-in-law from the palace came to find Liu Rushi among the people. He learned that the husband-in-law of Liu Rushi's daughter Liu Qingyan had taken the imperial examination this year. After the father-in-law returned to the palace, he informed the emperor of the name of the number one scholar. The emperor was interested in Liu Qingyan's face., the head was given to Liu Qingyan's husband as Jiang Yisun...