In the 1920s, the ethos of labor trafficking prevailed in Hong Kong. Li Changwang is a small resident born in this era. His helpful character made him help Huangshan and Huangshui, but he offended his boss Chen Bo, and was fired from the post of fireman he bought hard. He even colluded with Zhou Jinrong to sell Wang to Indonesia as a piglet, and Wang left his hometown and lived as a slave.