At the end of the Republic of China, Dr Chen Haoze, a doctor who had studied abroad, returned to China with new technology to set up a large pharmacy. The Yang family western pharmacy and the Fang family Chinese medicine shop in Fengtian City, with whom he was working, complemented each other's resources. Soon after his arrival, Chen Haoze negotiates a huge order and falls in love at first sight with his partner, a young lady from the Yang family. Their relationship grows stronger and a painting becomes a token of their love. Little do they know that this relationship has already violated the taboo of another partner.