Film

Police Chief Wai dedicates himself to combating the triads. However, finding evidence to prove the triad leaders' crime is no easy task, and sending undercover cops does not help much. While triads get the news about the massive undercover activity, triad leaders Jim, Walter, and Tommy, each running a certain business for the low-profile triad head, do not quite believe it as a threat. But when Tommy almost gets caught, the triad leaders, including the rising Fei, start to worry about their own established interests. Wai is indeed quietly observing their internal conflicts and planning to strike back.

During the time Hong Kong was under British rule, there was a dark age when corruption and bribery were the order of the day. Chinese Chief Inspector Lak together with his gang, Unicorn, Gale and Gold laundered massive sums thereby making Hong Kong an empire of graft. Whenever they failed to apprehend the felons, Unicorn would get innocent victims, like Bong, to admit to the crimes.

A year ago the host of a mansion missing caused the mutual suspicion of everyone inside the mansion, a series of odd matters that happen afterwards. In their minds, everyone wonders why, and fights over the legacy of their mistress, including her priceless diamond necklace. However new member, new story is happening ceaselessly because of the diamond necklace.

The movie tells a story that Master Bai’s commited suside on his wedding with a popular dance girl Yanyu. Passing all the property and fortune to Yanyu and her twin sister Fengdie who she has never met before. The Pandora’s box was opened since then.