1943, during the war of resistance against Japanese aggression, patriotic youth, yu shang family son Shen Li heart to go to the holy land in the heart of yan 'an, but the introduction, also division also friend red capitalist old xing was arrested by the kuomintang authorities. Shen Li was determined to succeed the old xing, as the market for the battlefield, to their own unique means of doing business for the communist party to raise war materials. Kuomintang economic investigation office commissioner zhang shuheng, shen li used the former classmate greedy nature of the company, with the other side to cover their own identity, under the assistance of ding minqiu, will be a batch of military supplies and funds to the anti-japanese front. Liberation war victory is imminent, shen li in order to prevent zhang shuheng smuggling a large number of gold out of the country was hunted down and killed. In order to protect shen li, ding minqiu and zhang shuheng died together. Ding minqiu's sacrifice shocked shen li, recall the old xing's teachings, he took an oath in the face of the party flag, dedicated to the construction of new China