The largest triad organization in Hong Kong, Wo Hop To, holds its biennial election for chairman. Lok (played by Simon Yam) and Big D (played by Tony Leung Ka-fai), the leaders of two major districts, secretly vie for the position, while the elders with voting rights scheme against one another for their own interests. As a result, the election goes far from smoothly.
In the end, Lok is elected chairman once again. Deeply dissatisfied, Big D decides to challenge the rules of the organization. He plans to seize the Dragon Head Baton, the symbol of supreme power, and form a new gang. Five mid-level leaders (played by Louis Koo, Nick Cheung, Cheung Ka-fai, Lam Suet, and Gordon Lam) are drawn into the conflict, and a series of infighting erupts over the Dragon Head Baton. The