The adoption agency's response sparked a series of stunning discoveries. Caroline had known her biological family for more than twenty years. Her birth mother, nicknamed "Cookie," was the sister of one of her dearest college friends. Moreover, the family was a prominent one, known throughout the world for not just one but two generations of musical greatness, including the singer Natalie Cole and her iconic father, Nat King Cole, whose music had filled Caroline's life.

And so Caroline's story begins again. Drawing on details provided by the agency and her own investigative skills, she embarks on a life-changing relationship with Cookie that stretches from coast to coast. Forged primarily through the mail, particularly hundreds of postcards, they share confidences, unite their families, and build a bond like no other.