Cindy, an American FBI agent, travels to Hong Kong to investigate a newspaper editor, Wong Tak, who is suspected of printing counterfeit money using the newspaper’s presses. The American teams up with a rival reporter and her friend Yu, an undercover law enforcer. Cindy’s investigation takes a sharp turn, however, when Yu’s father, the prosecuting lawyer in the counterfeiting case, is kidnapped.

A policeman forsakes his dream of world travel to care for a mentally impaired brother, who is later kidnapped by gangsters.

Little Tiger ventures from the sticks to the big city in search of his cop brother Big Tiger, an honest cop working in a corrupt system. Surmising that life in the police force was not his cup of tea, Little Tiger joins the Swallow Acrobatic Troop, which he excels in because of his kung-fu prowess. When a band of thugs from Chin Hung-yun's group attacks the troop, Little Tiger not only handily fights them back but also infiltrates their organization to destroy them from the inside. Meanwhile, Big Tiger's old flame Mary returns from America to join the revolutionaries. Big Tiger soon finds himself torn between his love of this girl and his orders to arrest all revolutionaries.

A special agent is assigned to protect a wealthy business magnate. However, when the businessman is kidnapped in a daring ambush, he teams up with a seasoned detective to crack the case. But soon he discovers the case isn't that simple.

Officer Chan Ka Kui manages to put a major Hong Kong drug dealer behind the bars practically alone, after a shooting and an impressive chase inside a slum. Now, he must protect the boss' secretary, Selina, who will testify against the gangster in court.