An FBI informant has kept his new identity secret for 15 years. Now an old flame has recognised him, and the bad guys are back for revenge.

A tough cop's seemingly frail mother comes to stay with him and progressively interferes in his life. She buys him an illegal MAC-10 machine pistol and starts poking around in his police cases. Eventually, the film draws to a denouement involving the title of the film and the revelation that even though she seems frail and weak she is capable of strong actions in some circumstances, i.e. when her son is threatened by thugs and she shoots herself in the shoulder.

When the girl that detective Joe Hallenback is protecting gets murdered, the boyfriend of the murdered girl attempts to investigate and solve the case. What they discover is that there is deep seated corruption going on between a crooked politician and the owner of a pro football team.

Eddie Hawkins, called Hudson Hawk has just been released from ten years of prison and is planning to spend the rest of his life honestly. But then the crazy Mayflower couple blackmail him to steal some of the works of Leonardo da Vinci. If he refuses, they threaten to kill his friend Tommy.

In the combustible action franchise's final installment, maverick detectives Martin Riggs and Roger Murtaugh square off against Asian mobster Wah Sing Ku, who's up to his neck in slave trading and counterfeit currency. With help from gumshoe Leo Getz and smart-aleck rookie cop Lee Butters, Riggs and Murtaugh aim to take down Ku and his gang.

Archetypal buddy cops Riggs and Murtaugh are back for another round of high-stakes action, this time setting their collective sights on bringing down a former Los Angeles police lieutenant turned black market weapons dealer. Lorna Cole joins as the beautiful yet hardnosed internal affairs sergeant who catches Riggs's eye.

In the opening chase, Martin Riggs and Roger Murtaugh stumble across a trunk full of Krugerrands. They follow the trail to a South African diplomat who's using his immunity to conceal a smuggling operation. When he plants a bomb under Murtaugh's toilet, the action explodes!

Veteran buttoned-down LAPD detective Roger Murtaugh is partnered with unhinged cop Martin Riggs, who -- distraught after his wife's death -- has a death wish and takes unnecessary risks with criminals at every turn. The odd couple embark on their first homicide investigation as partners, involving a young woman known to Murtaugh with ties to a drug and prostitution ring.