The final entry in Michael and Johnny Mak's Long Arm of the Law series, Underground Express once again tells a story of gangsters versus police, focusing on the difference between how both factions act depending if they're coming from Hong Kong or Mainland China.

Lau Ching, a Mainlander with an incredibly powerful right arm, arrives in Hong Kong to find his cousin. He befriends with a drifter named Handsome, and a martial artist girl named Mandy. In order to woo her, Ching participates in a fighting competition in hopes of winning a $10 million prize, and must defeat his love rival, Wai, in the ring.

A group of desperate Chinese criminals hope to make a quick, effortless score in Hong Kong. Things go afoul, and the gang must hide out until the heat dies down, besmirched with the blood of an undercover cop.

In the early 1920's of China, seven former soldiers band together to defend a helpless village against a group of vicious bandits in this Hong Kong remake of Seven Samurai.

A ring of deaf pickpockets led by Heung gather at a fast food restaurant to celebrate the prison release of Panther. There they encounter Kelly Mak, who also recently completed his prison sentence. When a gang comes storming in to settle scores with Heung, she manages to escape thanks to Mak who steps up to fight the gang. This is only the beginning of the many heartwrenching trials Heung and Mak will have to face together.

A gangster and a broker change jobs.

Friends Charles and Chi visit Mainland China and discover an ancient cave that houses what is supposed to be the makeshift tomb of the legendary martial artist Lung Gim-Fei. The friends find an old spell book and practice some magic, which unintentionally breaks open a wall and releases a dormant princess and her handmaiden. Charles and Chi take the Princess and her Handmaiden back to Hong Kong with them, unaware that they were followed by the just-awakened evil warlord, Tien Chien.

This sequel to the critically-acclaimed box-office winner Long Arm of the Law maintains the same stark realism of the original. In Saga Two, the Royal Hong Kong Police put into operation a new plan to counteract the problem of increasing violent crimes committed by new arrivals from across the border in China. In agreement with Chinese authorities, three Hong Kong detectives go undercover as illegal immigrants in order to infiltrate the powerful gang that is organizing the crime wave. The action is tough and graphic, reminiscent of The French Connection, Hong Kong style.

In 2001, where all correctional facilities have been privatized, martial artist Ricky finds himself victim to the corrupt system, found "guilty" of the manslaughter of an infamous crime boss.

Two unlucky thieves break into a just murdered man's hotel room and steal his passport with a hidden microfilm wanted by a triad boss. Two ass-kicking women cops—one Chinese, one British—are on the case.

To pay off his debt as a gambler, a man drags his sister and step-brother into a life of crime and a violent war between rival gang lords.

Fong Kit Ying is an unassuming nightclub employee in Macao who inadvertently angers a gang of drunken patrons. They follow her home after her shift and mount a viscous gang assault. After her traumatic ordeal, she vows to hunt them down one by one.