Silver Alert by Lee Smith

Herb’s charmed life with his dear wife, Susan, in their Key West house is coming undone. Susan, in her seventies, now needs constant care, and Herb is in denial about his own ailing health. The one bright spot is the arrival of an endlessly optimistic manicurist calling herself Renee, who brings Susan a much-needed sense of contentment.

Then Herb and Susan’s adult children arrive to stage an intervention with their stubborn, independent father, and as a consequence, Renee’s gig with Susan—and her grand plans for her own life—start to unravel as well. Herb isn't ready to let go of all that he has ever had, and it turns out that Renee is not the happy, uncomplicated girl she pretends to be. She is not even Renee; she is really Dee Dee, and she, too, has reasons of her own to his the road. So when Herb suggests one last joy ride in his Porsche with Dee Dee riding shotgun, the light out for parts north, setting off a Silver Alert. 

In this buoyant novel, the masterful Smith asks: What do we deserve? And how do we make it our own? Sometimes, you just have to seize the wheel.