From the landmarks of Chicago to the wrong side of the law, Betty Miles' escape from assisted living and her daughter's quest to bring her home will test everyone's assumptions about old age, family, and the kindness of secrets.

Sharon D'Angelo thought it was a solid plan to move her mother into a senior care facility, but after just three weeks, the octogenarian is already planning her exit.

Bored with craft projects and the kitchen utensil band, Betty buys a train ticket to Chicago. But having spent her life as a model mother and housewife, she worries about misbehaving; a "good"...