For the last few years, Beth and Ned have gone to the same Caribbean island to the same luxury spa hotel. But this year, home problems have somehow tagged along for the ride. Ned has been playing away—a bit of a drunken fling, that's all, Beth thinks. But although they have put it all behind them, Beth doesn't know that Ned's fling was with the female half of one of the couples they are vacationing with.