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

Aspiring Florida defense lawyer Kevin Lomax accepts a job at a New York law firm. With the stakes getting higher every case, Kevin quickly learns that his boss has something far more evil planned.

A marksman living in exile is coaxed back into action after learning of a plot to kill the President. After being double crossed for the attempt and on the run, he sets out for the real killer and the truth.

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

Kevin Lomax, a ruthless young Florida attorney that never lost a case, is recruited by the most powerful law firm in the world. In spite of his mother's disagreement, which compares New York City to Babylon, he accepts the offer and the money that comes along. But soon, his wife starts feeling homesick as she witnesses devilish apparitions. However, Kevin is sinking in his new cases and pays less and less attention to his wife. His boss and mentor, John Milton, seems to always know how to overcome every problem and that just freaks Kevin right off.

Martin Riggs and Roger Murtaugh, after escaping death from the previous movies are put on a hit list by The Triads. When blood thirsty mercenaries are on their tail they team up again with Leo Getz and Lorna Cole, a newcomer (Chris Rock) to finally put an end to the Triads for good.