Senator Walter Chalmers is aiming to take down mob boss Pete Ross with the help of testimony from the criminal's hothead brother Johnny, who is in protective custody in San Francisco under the watch of police lieutenant Frank Bullitt. When a pair of mob hitmen enter the scene, Bullitt follows their trail through a maze of complications...

A veteran cop and an unstable detective become partners who must put their differences aside in order to bring down a heroin-smuggling ring run by ex-Special Forces.

Riggs and Murtaugh are on the trail of South African diplomats using their immunity to engage in criminal activities.

Riggs and Murtaugh pursue a former officer who uses his knowledge of police procedure and policies to steal and sell confiscated guns and ammunition to local street gangs.

With personal crises and age weighing in on them, LAPD officers Riggs and Murtaugh must contend with a deadly Chinese crime lord trying to get his brother out of prison.