A mentally unstable Vietnam War veteran works as a night-time taxi driver in New York City where the perceived decadence and sleaze feed his urge for violent action.
Four men from different parts of the globe, all hiding from their pasts in the same remote South American town, agree to risk their lives transporting several cases of dynamite (which is so old that it is dripping unstable nitroglycerin) across dangerous jungle terrain.
In preparation for his daughter's wedding, dentist Sheldon Kornpett meets Vince Ricardo, the groom's father. Vince, a manic fellow who claims to be a government agent, then proceeds to drag Sheldon into a series of chases and misadventures from New York to Central America.
