Having fond memories of the good old days at Pine Lodge Resort in Pechoggin, Wisconsin, Chicago family man Chet Ripley takes his wife and kids to the lakeside honeymoon cabin for the summer. But instead of having an unforgettable vacation in nature, high-rolling brother-in-law Roman and the haughty Craig family crash the party. Chet can now say goodbye to family bonding. As the two rivalling 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?