INTERPOL CONNECTION (aka HARD TO KILL) centers on two Hong Kong cops who settle their differences toward one another while struggling to focus on their mission. The unusual dynamic duel go out to track down notorious drug dealer but find themselves in a number of unexpected situations. They eventually get help from a beautiful Japanese police officer who is skilled in the art of combat, and the three go out to take down the drug lord and his army of gangsters.

A team of Chinese cops based in Greece known as "The Cyprus Tigers" and a crooked businessman, along with his Japanese henchmen, are after a set of counterfeit money printing plates.

A seasoned cop and his rookie partner try to solve the murder of a heroin trafficker.

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.

A hot-shot lawyer is hired by a Hong Kong chemical plant to dispose of opposition to their polluting ways. But when he falls for a beautiful woman out to stop the plant, he is torn in a conflict of interest and asks his trusty friends Samo and Biao to help out at least until they discover the true purpose of the plant.