Callie lives on the road, trading labor for food and lodging through a farm work-exchange program. She's perfectly content with the life she's created, but it is shaken up when she meets Jo, a mechanic and sister of Callie's latest boss.For the first time, Callie begins reconsidering the choices she's made. But Jo's life is far more complicated than her own and as family tensions rise, they threaten to pull Callie in, and her growing bond with Jo might not be reason enough to stay.