Disguised as ice cream vendors, Cheech and Chong make--and subsequently lose--millions of dollars selling a batch of marijuana with an unusual side effect.
Cheech and Chong are hired to drive a limo from Chicago to Las Vegas by two shady Arabs--Mr. Slyman (Cheech) and Prince Habib (Chong). Unbeknownst to them, five million dollars of dirty money has been stuffed throughout the car.