An uptight New Yorker and his party girl sister visit their Dad's lake house to meet his new wife, and her rough-around-the-edges kids prompting a clash of cultures quickly descending into chaos. When the "step" parents announce they are also adopting a child to bring this "family" together, lingering bitterness and current disappointments wreak havoc as these strangers slowly, and hilariously, figure out how to perhaps become a family.
