Sergeant Kwok Wah (Andy Lau) and Ho Lung (Ray Lui) are both colleagues and best friends. Ho Lung has developed hatred with a gang leader Dick. Dick sends Hung (Cherie Chung) as a bait to kill Ho Lung. Swore to take revenge for his best friend, Kwok Wah works with Ho Lung's partner Mother (Kent Cheng) to unveil the enemy. Kwok Wah saves Hung during an operation and Hung starts to like Kwok Wah. Kwok Wah and Mother follow their plan to capture Dick, but it ends in vain and both of them get into a gunfight. Hung is killed for saving Kwok Wah during the gunfight. Though heart-broken, Kwok Wah and Mother go on fighting the villain...

Ah Lung is a pig farmer and a devoted Bruce Lee fan who is anxious to follow in Lee's footsteps, but only ridiculed for his attempts. He is sent to the city to earn a living working at his uncle's restaurant, but when he arrives, he finds a gang of thugs causing trouble in the restaurant. He takes the chance to prove himself and attacks the thugs, defeating them and saving the restaurant. Soon, he becomes a waiter, and discovers a plot by the same thugs to kidnap a woman he works with. Eventually, he defeats the thugs once again and saves the day.

Three young martial arts students and their teacher are beaten up badly by a wandering man who proclaims himself "a corrector of bad kung-fu." Determined to avenge their teacher and regain their honor, the three students all go their separate ways to find kung-fu masters who will take them as students.

Lung Yen Fei returns from Japan to investigate the cause of his teachers' death.

Archaeologist Shum finds an antique jade with supernatural power in Greece. The stone is wanted both by KGB's agent Karoff and the Interpol. Shum asks his friend Nike for help. However, Shum is finally caught by KGB but the jade is slipped into the hands of a boy called Pan.

Stephen and his friends Linus and William, all in their late teens, loitering out all day with nothing to do. They steal cars' radios for a living. Previously, they are unduly provoked by an instructor at a Cadet School, the three decide to get revenge and steal the car's radio of that Instructor. However, they get caught. Leung, another probation officer, requests to take on their case. Leung is a kind man who loves cycling, he hopes that he could inculcate them an interest in cycling...

Star Chow, an officer in the elite police unit, resigns when he is made a scapegoat for a botched investigation. He goes undercover at a school to complete the case and realizes a bumbling detective is also undercover as a student.

A martial arts instructor working at a police academy gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.

Two hopeless housebreaker brothers, Ah Chi and Fatty, steal a diamond that had already been earmarked by a criminal gang. Through a series of unfortunate and - frankly - unlikely events, the diamond ends up in the shoe of a rising star TV actress Cheung Man Ju. They pursue her all over Hong Kong until finally tracking her down at a charity ball where she must leave by midnight, and accidentally loses a shoe in the process.

The Yang family, men and women, have served their country loyally for generations. During the war General Yang is ambushed and killed. His widow and the entire family set out to avenge his death and defend the country.