Relinquished at birth to Catholic Charities in 1959, Kathe Linn Caire adores her adoptive family and has never considered searching for her birth parents. At age fifty-two, though, a sudden pull to learn more about her medical history sends her on an unexpected journey. Kathe isn't interested in learning her birth parents' identities, just the details of their health. But what begins as a simple investigation takes a startling...