Kathleen is eighty years old. After she has a run-in with an intruder, her daughter wants her to move into a residential home. But she's not having any of it. What she craves--what she needs--is adventure. Liza is drowning in the daily stress of family life. The last thing she needs is her mother jetting off on a wild holiday, making Liza long for a solo summer of her own. Martha is having a quarter-life crisis. Unemployed, unloved and uninspired, she just can't get her life together. But she knows something has to change. When Martha sees Kathleen's advertisement for a driver and companion to share an epic road trip across America with, she decides this job might be the answer to her prayers. She's not the world's best driver, but anything has to be better than living with her parents. And traveling with a stranger? No problem. Anyway, how much trouble can one eighty-year-old woman be? As these women embark on the journey of a lifetime, they all discover it's never too late to start over...