Brother Mark (played by Chow Yun-fat) and Zhimin (played by Tony Leung Ka Fai) are cousins. They are Vietnamese overseas Chinese and are now developing in Hong Kong. Unexpectedly, the Vietnam War started, and both of them were very worried about the safety of Zhimin's father, Uncle Song, who was still living in Saigon, Vietnam. In order to raise enough money to bring Zhimin's father to Hong Kong, the two decided to help the local...