Having fond memories of the good old days at Pine Lodge Resort in Pechoggin, Wisconsin, Chicago family man Chet Ripley takes his wife and 15 and 10 yr old sons to the lakeside honeymoon cabin for the summer. But instead of having an unforgettable vacation in nature, high-rolling brother-in-law Roman Craig with his wife and Twin 6-year-old daughters crash the party. Chet can now say goodbye to family bonding. As the two rivaling families half-heartedly try to spend quality time together, a string of undeserved misfortunes and mini-disasters pave the way for the ultimate showdown between clans. The question remains, however. Can the modern urbanites survive the Great Outdoors and save what's left of the holiday?