Two assistants, Lee Xiang and Kat, start new jobs at the financial firm Jones & Sunn. Lee Xiang is an earnest young man who naively enters the world of high finance with noble intentions. Kat on the other hand has a secret.

A self-styled accident choreographer, the Brain is a professional hitman who kills his victims by trapping them in well crafted accidents that look like unfortunate mishaps. When the team's next assignment goes disastrously wrong, Brain begins to suspect that someone else has planned an ‘accident’ on them.

Two police pursuit drivers, a hothead rookie and his long-suffering, almost-retired mentor, face off against an escape car driver from the latter's past.

In 1970s Hong Kong, the Independent Commission Against Corruption (ICAC) was formed to bring down the corruption syndicate led by British government officials. One of its top investigators is Senior Investigator Lau Kai-Yuen, who brought down countless corrupted officials. Just as he thought stability and prosperity are within reach, a new era of greed and riches takes him into a new battlefield of corruption.

Although Randy's family is involved in the casino business, he has never shared an interest in gaming until he played Texas Hold 'Em on the Internet. Rival Uno is the manager at Randy's casion. These two bitter enemies will now face off in the Asian Poker King Championships.

Manson Law, a celebrated stockbroker in Hong Kong, is injured in a car accident. The police, led by Inspector Jack Ho, discovers a military surveillance device in the car wreck. Meanwhile, the wiretapper Joe Szema is unveiling his extensive plan that targets the mysterious financial conglomerate, the Landlord Club. The fate of these three men soon intertwines in the cat-and-mouse game that may bring down the entire stock market.