Straight-laced, type-A personality Joy Miles has to take an unscheduled road trip to drive her forgetful, yet opinionated, mother-in-law, Loraine, from Louisville, Kentucky to Savannah, Georgia. Although initially impatient and frustrated, Joy begins to realize her true affection for Loraine as she takes a front-seat-v…- 效率专家Joy Miles的自由奔放的婆婆Loraine从路易斯维尔搬到萨凡纳，原本计划到分钟的专家因为错过了航班的时间变成了一辈子因此而改变的爆笑故事旅程。