After a bad divorce life gets complicated for Linda. Her ex has found a beautiful model who gradually is more and more of a mother to Linda's 10-year-old daughter, as well as redoing their house. Even her best friend is now hers.
It's vacation time for outdoorsy Chicago man Chet Ripley, along with his wife, Connie, and their two kids, Buck and Ben. But a serene weekend of fishing at a Wisconsin lakeside cabin gets crashed by Connie's obnoxious brother-in-law, Roman Craig, his wife, Kate, and the couple's two daughters. As the excursion wears on, the Ripleys find themselves at odds with the stuffy Craig family.