A Lun (played by Tang Guangrong) and A Tian (played by Chow Yun-fat) grew up wandering on the streets of Macau. They depended on each other, were more affectionate than brothers, and determined to make a career in the world. Just when the two finally became famous and prosperous, Allen was imprisoned in Thailand for killing the men of gang boss Gao Laosi (played by Xie Xian)...