A suspected criminal mastermind escapes from police custody, throwing the city into turmoil. With the police department now divided, rival police chiefs are forced to take their fight to the streets of Hong Kong with deadly consequences.

The world renowned “Invincible Hand” Ken could identify not only mahjong tiles, but also cards with his fingers which had made him a legend. Upon his retirement as the Chief Security Consultant in Las Vegas, Ken returned to his hometown Macau, where he met his old friend Benz, and Benz’s son Cool and nephew Karl. Both Cool and Karl wanted to follow Ken. Ken claimed that if Cool could successfully cheat him once or win over him, he would then accept Cool as his protégé. Cool’s step brother Lionel, an undercover agent, had disguised his identity in an international gambling mafia which had planned to form an alliance with mafias in illegal gambling from all over the world to control the result of soccer matches. Lionel had recorded the entire conference, with the criminal evidence kept in an imitated eye. The eye was coincidentally given to Rainbow, Ken’s only daughter, which put her in danger. The retired Ken was forced to use his “Magic Hand” once again to uncover the evil plan…

Five police officers in Hong Kong are kidnapped. The police commissioner is on a business trip overseas. Two vice commissioners, Sean Rau and M.B. Lee, then take over the case. The two vice commissioners are rivals who both vie for the police commissioner seat. At first, M.B. Lee takes the lead in the case, but comes to a dead end. Sean Lau then takes the lead, but he falls into a trap. Both men are then investigated by the ICAC (Independent Commission Against Corruption).

So's family lives in financial despair. They always argue about money. One day So Kam Po accidentally picked up a briefcase which has $10 million inside. According to the law, Kam Po owns that 10 million if no one claims it in 6 months. Kam Po wants to pull his family together, so he buys a cafe from his brother Hoi. For the next six months, the family's relationships improve as they all chip in to run the cafe together. Time flies when you're having fun--and when there's a $10 million pot of gold at the end of your rainbow. Will So's pot of gold be there waiting for him once his waiting period is over?

Kimura wins a trip to Hong Kong, but once he arrives, he is mistaken as a hitman and is assigned to kill Yumiko, the female successor to the Ota Group conglomerate. When Kimura falls for his target instead, he must learn kung-fu from a local (Yuen) to fight off the yakuza assassin "Invincible" assigned to finish the job.

After a failed operation that leaves several cops dead or wounded Officer Fong Jing wakes up at the hospital and discovers that he can see ghosts.