About the title
Three friends gather for the birthday of their former boss, crime lord Han. Their paths have diverged and they haven't seen each other in a long time, but they're still best friends - Lung still works for Han, Wei left the gang and now grows flowers, and Man became a police officer. But a shared cause brings them back together - Han is killed by the villain Lan, who is trying to take over the Tsim Sha Tsui district, and the trio decides to seek revenge.