Marc and Monica learn the hard way that everything has its price - everything. This lusty young couple wants to add an element of sexual intrigue to their marriage: Mac wants to watch while Monica makes love to another man. But the rules change when they meet Joel, a dashing casino owner. Not only is he willing to accept their indecent proposal, he'll pay for the privilege. For Mac, it's the perfect solution. For Monica, the offer changes everything. And she has no desire to play prostitute to Mac's pimping. Will jealousy and greed overcome their quest for sexual adventure?