The filming started in Hengdian in November 2014. Many powerful movie stars such as Zhu Yongteng, Zhang Dianlun, Hongli, Liu Kaiwei, Ding Yongdai, Wei Chunguang, etc. joined the cast. The drama tells the story of Chinese businessmen during the Anti-Japanese War to protect China's pharmaceutical secrets and to deal with the Japanese military wisely. At the same time, it intersperses the tortuous love stories of the five male and female protagonists. The war years could not erase the warmth of human nature.