In 1937 the Songhu battle began, Shanghai French Concession still in the fire roared away. The progressive youth Xu Niandong (Lian Yiming) to Shanghai with his Gu Liming (Bowie Lam) will be sworn to live or die together, at the same time the implementation of the assassination of a traitor Cao Zhenwu task in the boat. With the assassination of success, their plans because of a young female student Lin Zaiyun's surprise intervention is disrupted, two people were coerced into various arena in multi forces, the great turning point of life. Finally the correct guidance in the Chinese Communist Party organization, Xu Niandong, Lin Zaiyun organized riots, carrying gold in exchange for arms and medicine to the new fourth army.