It tells the story of a scholar of Liang who took his wife and son to Beijing to take an exam.

"Father and son three champions" is about Leng Ru 'an taking his wife Gu Hezi An Shoubao to Beijing to catch the exam. Unfortunately, he lost his money and became ill. In order to save his parents, An Shoubao sold himself to Liu Bancheng, a jeweler, as his son. Gu had no choice but to sign a deed of sale.