Chan Wing Yan, a young police officer, has been sent undercover as a mole in the local mafia. Lau Kin Ming, a young mafia member, infiltrates the police force. Years later, their older counterparts, Chen Wing Yan and Inspector Lau Kin Ming, respectively, race against time to expose the mole within their midst.

In this prequel to Mou gaan dou (2002), Chan Wing Yan has just become an undercover cop in the triads while Lau Kin Ming joins the police force. Both the triads and the police find an enemy in a rival crime boss.

An elite Interpol agent Jeong-woo and a ruthless hitman Park-yi, both stationed in Amsterdam and are in love with the same young woman, Hye-young. Hye-Young is a simple sidewalk artist, with dreams of one day holding a real exhibition in a real gallery. Her pure love will draw these deadly men into a spectacular showdown in the process...

After winning his first competition, Takumi focuses his attention on drift racing, a sport he has unknowingly perfected while delivering tofu in his father's Toyota AE86.

Seven years after the apparent death of Chen Zhen, who was shot after discovering who was responsible for his teacher's death (Huo Yuanjia) in Japanese-occupied Shanghai. A mysterious stranger arrives from overseas and befriends a local mafia boss. That man is a disguised Chen Zhen, who intends to infiltrate the mob when they form an a...