Faced with the decision of a lifetime Arvilla Holden (Jessica Lange) hijacks her two best friends (Kathy Bates Joan Allen) and sets off in a vintage '66 Bonneville convertible across the great American West to deliver her husband s ashes to her step-daughter. What begins as a simple trip will end up becoming a chance to rediscover themselves their friendship the importance of promises - and of living life to the fullest.