Rusty (Ed Helms) and his wife Debbie (Christina Applegate) have been married for many years. They have raised two children together, James (Skyler Gisondo) and Kevin (Steele Stebbins). As time goes by, passion gradually fades. Rusty decided to take his family to drive to the parent-child holy place Willie Deer Park to repair the relationship between each other. In this way, the family hit the road, and they were greeted by various setbacks and accidents, plus Rusty's brother-in-law Stone (Chris Hemsworth Chris Hemsworth), a "sexy" blond muscle man. Can they really reach their destination smoothly, and the result of this journey, can it be as Rusty wishes?