Straight-laced,type-ApersonalityJoyMileshastotakeanunscheduledroadtriptodriveherforgetful,yetopinionated,mother-in-law,Loraine,fromLouisville,KentuckytoSavannah,Georgia.Althoughinitiallyimpatientandfrustrated,JoybeginstorealizehertrueaffectionforLoraineasshetakesafront-seat-viewofhowthisstrong-willedyetfree-spiritedwomanmanagestheemotionaltransitionoflearningtolivelifeafterlosingherspouse.Despitetheirmanydifferences,andwithlight-heartedadventuresateveryturn,theydiscoverhowmuchtheyrespectandevenneedeachother.