Lethal Weapon 2 (1989)

With personal crises and age weighing in on them, Riggs and Murtaugh must contend with deadly Chinese triads trying to free their former leaders from prison and onto American soil.

An undercover cop teams up with a martial-arts expert to stop a gang of drug smugglers and car thieves.

Sean and Billie are undercover cops and martial arts masters. Investigating the death of a cop, they uncover a deadly ring of murder and corruption at a glitzy nightclub, where the rich are entertained by seductive women and protected by martial arts experts. Billie goes undercover to infiltrate the crime ring, leading to an explosive finale.

College student Jake Lo is pursued by smugglers, mobsters and crooked federal agents after he witnesses a murder by a Mafia kingpin.

Mason Storm, a 'go it alone' cop, is gunned down at home. The intruders kill his wife, and think they've killed both Mason and his son too. Mason is secretly taken to a hospital where he spends several years in a coma. His son meanwhile is growing up thinking his father is dead. When Mason wakes up, everyone is in danger - himself, his son, his best friend, his nurse - but most of all those who arranged for his death

A tough-on-crime street cop must protect the only surviving witness to a strange murderous cult with far reaching plans.

Mayoral candidate Dr. Rachel Larkin has a dangerous plan for swift justice in the form of a band of ex-convicts, called the Peacemakers, who roam the streets to do her bidding. When a boxer friend is killed by Larkin's thugs, an outlaw cop goes undercover to get evidence, and works his way up to the inner circle of the doctor's army.

Axel Foley returns to the land of sunshine and palm trees to investigate the near-fatal shooting of police Captain Andrew Bogomil. With the help of Sgt. Taggart and Det. Rosewood, they soon uncover that the shooting is associated with a series of "alphabet" robberies masterminded by a heartless weapons kingpin—and the chase is on.

Ray Tango and Gabriel Cash are two successful narcotics detectives who can't stand each other. Crime lord Yves Perret, furious at the loss of income they have caused him, plots an elaborate revenge against them.

Canadian policeman Louis Burke is assigned in a jail to investigate the murders of prisoners and jailors. While there, Louis, using his outstanding martial arts skills, is able to save his life and make himself respected in this violent world.