Eighty-nine-year-old Isabelle McAllister has a favor to ask her hairdresser Dorrie Curtis. It's a big one. Isabelle wants Dorrie, a black single mom in her thirties, to drop everything to drive her from her home in Arlington, Texas, to a funeral in Cincinnati. With no clear explanation why. Tomorrow.Dorrie, fleeing problems of her own and curious whether she can unlock the secrets of Isabelle's guarded past, scarcely hesitates before agreeing, not knowing it will be a journey that changes both their lives.Over the years, Dorrie and Isabelle have developed more than just a business relationship. They are friends. But Dorrie, fretting over the new man in her life and her teenage son's irresponsible choices, still wonders why Isabelle chose her.Isabelle confesses that, as a willful teen in 1930s Kentucky, she fell deeply in love with Robert Prewitt, a would-be doctor and the black son of her family's housekeeper-in a town where blacks weren't allowed after dark. The tale of their forbidden relationship and its tragic consequences makes it clear Dorrie and Isabelle are headed for a gathering of the utmost importance and that the history of Isabelle's first and greatest love just might help Dorrie find her own way.