Lai Chi-Wai

On the hottest day in 50 years, a serious fire incident happened to a busy commercial tower, a gaggle of fire fighters with an indestructible enthusiasm are going to save lives.

An assassin who is fresh from his latest kill becomes stranded in an island, when he inadvertently befriends a female police officer. As the night progresses, the unspoken truth honored by the two sides of the law is broken. After the remains of a body that belonged to a drug lord and syndicate crime leader are found, chaos ensues and criminals ravage the once peaceful streets in a race against time to find the mysterious murderer that's loose and out for blood.

CID officer Tong gets himself entangled with a gang of killers from mainland China, who are out killing criminals to rob them of their money, and using an ideological basis to justify the killings as protecting mainland China from the criminal scum of Hong Kong.

Pu Pu is dumped by her boyfriend whom she loves. Before she moves out, she asks to listen to "their song" just one more time, that is the hidden track by Jay Chou. Then she leaves him and goes to her sister's place in Hong Kong. All the while she is there, she searches for the same song, the "hidden track", and from this it leads her onto a journey of discovering love and a new beginning. Despite the whole movie revolving around Jay Chou's song, Jay Chou plays only a cameo part.

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.

A lonely young Japanese student, Ai Narushima (Kana Ito) goes on a field trip with her school. At night she decides to take a taxi into the city. The Chinese taxi driver, Bo Tony Ho, is also a lonely soul and on a whim, decides to kidnap the young student. He takes her to the countryside and confines her in a room for days. The taxi driver doesn't abuse the student, but at night attempts to cuddle next to her. Eventually the lonely young Japanese student realizes he is as lonely as she is.

Lon is an assassin who is deformed. The only man he can trust is his brother, Kwan. When Lon kills a police officer, the officer's partner tries to go after him, but lets him go after seeing his face. Meanwhile, Lon falls for Wendy, the girlfriend of Lon's sadistic boss, Dragon. When Lon agrees to kill Dragon for Wendy, it's a setup. After the kill, Lon is hit by a car and plunges into the river. A year passes by. A new man named Michael arrives, working for Wendy. Meanwhile, the partner of the cop Lon killed is still on the case. He notices a resemblance of the new man to Lon. Is Michael the same person as Lon? If so, what is the motive?

When terrorists abduct a deadly government attack robot, the call is put out to the Gen-Y Cops, an elite task force with lethal fighting skills. Together with a trigger-happy FBI agent, the Gen-Y Cops race against time to destroy the robot before it destroys their city.

Wah and Kinki both working at the same department of a computer company. Both of them are not getting on very well initially, but friendship develops when they get to know each other after a while. When Wah starts to realize his emergent fondness for Kinki, his ex-girlfriend reappears and plans to gain back his affection. In addition, he notices that his ex-girlfriend arranges a guy to pair up with Kinki. At the same time, his supervisor would like to lay him off at work.

After being murdered by a masked killer, Rain, Snow and Romeo find Roy, a conman, and ask him to find the killer for them.