California businessman Bob Munro is struggling with his dysfunctional family which consist of his possessive wife Jaime, his spoiled daughter Cassie, and his young son body-building and hip-hop fanatic Carl. After he embarrasses his boss Todd at a company picnic, he is punished by having to present a merger proposal to a company in Boulder, Colorado, thus ruining his plans for a family vacation to Hawaii. Not letting this change of plans phase his plans to bring the family together, he rents an RV from a local dealer and decides to take his whole family to the Rockies. Once they leave however, they drive right from one mishap into another and even meet up with another traveling family, the Gornickes.