A young woman with a long rap sheet who steals cars for a living is befriended by a public defender who tries to steer her straight. But her goal is to steal and subsequently sell enough cars (sometimes the same car more than once) to buy a new Ferrari.

This day-in-the-life cult comedy focuses on a group of friends working at Sully Boyar's Car Wash in the Los Angeles ghetto. The team meets dozens of eccentric customers -- including a smooth-talking preacher, a wacky cab driver and an ex-convict -- while cracking politically incorrect jokes to a constant soundtrack of disco and funk. Some of the workers find romance as the day moves along, but most are just happy to get through another shift.

When Nick Davis leaves prison after one year in solitairy, he is hired to operate a forklift in a warehouse in the harbor owned by the Japanese Yakuza patriarch Isshin Tendo. The place is assaulted by the Italian Mafia lead by Dino Campanela and Nick rescues and saves the life of Shuji Sawamoto, who is the representative of Yakuza interests in America. Shuji hires Nick to work for Yakuza and becomes his godfather in the family after his oath to join Yakuza. However, Nick is a lonely FBI undercover agent assigned to penetrate the criminal organization. When the FBI discovers that Campanela is organizing a massive attack to destroy the Yakuza, Nick's boss Littman calls off the operation to leave the dirty work to the Italian Mafia. But the connection of Nick with Shuji and his goddaughter Yuko forces him to help his Japanese family.

Trucker Rubber Duck and his buddies Pig Pen, Widow Woman and Spider Mike use their CB radios to warn one another of the presence of cops. But conniving Sheriff Wallace is hip to the truckers' tactics, and begins tricking the drivers through his own CB broadcasts. Facing constant harassment from the law, Rubber Duck and his pals use their radios to coordinate a vast convoy and rule the road.