Tam is the tycoon of a triad society named Hung Lung . His elder son Bun follows him to run the affair for years , whereas his younger son , Yat lives a normal life in US . Both of them regard their father as hero in heart where Bun respects his father for his bravery and loyalty to the society but Yat idolizes him because of hhis fake image of a pragmatic and humble businessperson created by Yat's mum .
Tam died in an accident . His rival , Song , who is the upcoming leader of the society , decides to spoil the funeral held by Tam's wife in order to avoid giving Tam's followers excuse to revolt against him . Yat hastens home for the funeral ; he is extremely shocked when being arrested by cops upon arrival in HK . In the meantime , Bun smashes up Song's plot in time ; Song twists his plan to hold a brilliant funeral for Tam and takes the chance to line up with other overseas leaders to validate his "godfather" position .
The head of Anti-triad unit of police force , agent Tai has tried every means to collect crime evidences of Hung Lung society by sending undercover cops . Unfortunately , all of them have been killed . A fierce power struggle is about to break out ! Tai cannot allow it to happen ……