David (Albert Brooks) and Linda (Julie Hagerty) live a boring life. David has dutifully obeyed orders at an ad agency for eight years, while Linda has devoted seven years to a dead-end job. But after David gets fired, they impulsively embark on a painfully hilarious odyssey of discovery. As they travel across the United States their finances dwindle to a dangerous low... and when they park their RV in Las Vegas, all bets are definitely off!