There were three brothers, Lu Yu, Lu Bao, and Lu Zhen, who lived outside the east gate in Changzhou, Jiangsu Province, during the Ming Dynasty. Lu Yu had a son named Xi’er. One day when Xi’er was 6 years old, he went with the children from next door to a temple fair and never returned.
Lu Yu and his wife, Wang, looked for their child for days, but there was no sign of him anywhere.