Roy & Candy and Lonnie Earl & Darlene are two married couples who thought they knew one another, until they decided to take their dream vacation together. Hitting the road in a brand-new SUV, they're having the time of their lives until something funny happens on the way to the Monster Truck Show in Reno. Turns out Lonnie Earl has a thing for Candy, and when evidence of this starts to surface, things really start to heat up.

In Las Vegas for a quicky divorce, a just-paroled ex-cop and his wife wander into the Top of the World Casino, run by the shady Charles Atlas. They win big, right as the casino is being robbed. The police believe their big win was a staged diversion, and the two of them become suspects. Over the course of the evening and next morning, the two attempt to escape to surrounded casino, and to prove their innocence, as well as to save their marriage.