Faced with the decision of a lifetime, Arvilla Holden hijacks her two best friends and sets off in a vintage '66 Bonneville convertible across the great American West. 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. 面对一直以来的生活，Arvilla做了个决定，她与最好的两个朋友，开着一辆老款的66庞蒂克汽车，开始了一场穿越美国西部的盛大旅行。虽然这开始只是一个简单的旅程，但在这个过程中，她们慢慢重新认识自己，她们之间的友谊，曾经最重要的承诺， 还有如何充实的生活着……