The family, consisting of Olive, her parents Edwin (Greg Kinnear) and Sheryl (Toni Collette), her grandfather Edwin Sr. (Alan Arkin), and her half-brother Dwayne (Paul Dano), set out on a road trip from Albuquerque, New Mexico to Redondo Beach, California. The family members each have their own personal struggles and quirks, which often lead to comedic clashes and heartwarming moments.