In 1894, during the Guangxu era of the Qing Dynasty, a deadly plague swept through Hong Kong, particularly affecting the Chinese community in the area around Taiping Mountain Street in Sheung Wan. The epidemic had a staggering death rate of over 95%, causing widespread fear and suspicion between Chinese and Western medicine. This reflected the larger cultural conflict between the two medical traditions. At the heart of the turmoil, a Chinese medicine family grapples with the challenges brought forth by the devastating outbreak.