In the early years of the Republic of China, the corrupt Qing government was overthrown by revolution, and the trend of democratic progress quickly swept across the entire land of China. However, the chaotic situation, coupled with a lack of popular wisdom, ignorance, backwardness, and feudal superstition still filled that yearDai's China. The son of Wang Zhizhang, a police officer in the Republic of China, died from opium. He hated the rampant crime in the old society and the feudal ideology that poisoned the people. For this reason, he disguised himself as a Taoist and infiltrated the local merchant Mr. Chen's house to investigate opiumSmuggling cases.