Lu Jingwen, a rational and confident scholar, received a mysterious warning from a blind Taoist priest, predicting that the shopkeeper of the "Ying Ke Building" ahead would use ecstasy to harm him. Despite his doubts, Lu Jingwen still chose to stay, but through a clever trick he proved that the tea was indeed poisonous. He discovered that Yingke Building is a black shop that specializes in stunning, imprisoning and stealing articles from scholars rushing to take exams for profit.
