Wealthy Hermosa Beach housewife Nancy Hadley is no pushover. So when her philandering husband, Roger, is caught in flagrante on their racing yacht, Nancy wants a divorce - with the yacht as part of the deal. Roger does not want to give up his boat, but Nancy has other plans. She and her friends invest in a racing yacht of their own to live on. And Nancy is not skittish about taking a few risks, so in a bold gambit, she makes a bet with Roger: a showdown in the thrilling Border Dash Race from Newport Harbor down to Ensenada, Mexico. The winner of the race will get everything they want.