Hawaiian Dream (1987)

Original title: ハワイアン・ドリーム

Tatsuhiko and Shofumi are hoodlums living in downtown Hawaii, having flown out of Japan and entered the country illegally for a reason. The two make a living by trafficking pakalolo – marijuana – under the pretext of selling tea leaves, but they are in a foreign land where they don't speak the language well. When they get busted by the chief of police, they're forced to make a deal and and help get a local crime boss masquerading as a benevolent celebrity arrested.