Riggs and Murtaugh are on the trail of South African diplomats using their immunity to engage in criminal activities.
When actress Sarah Marshall dumps aspiring musician Peter Bretter for rock star Aldous Snow, Peter's world comes crashing down. His best friend Brian suggests that Peter should get away from everything and to fly off to Hawaii to escape all his problems. After arriving in Hawaii and meeting the beautiful receptionist Rachel Jansen, Peter is shocked to see not only Aldous in Hawaii, but also Sarah.
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.
