After the September 18 Incident in 1931, Cheng Jintang, a rising star in Shanghai's business world, witnesses the atrocities committed by the Japanese military. He transforms from a merchant concerned only with profits into a patriotic businessman who secretly supports the resistance, establishing a double life.
Using his business acumen to maneuver among Japanese trading companies, Cheng Jintang amasses wealth in industries such as textiles and medicine while secretly funding resistance activities. He also wages a covert struggle against Matsumoto Kentaro, the head of Japanese intelligence.
