Joe and Rose Kennedy’s strikingly beautiful daughter, Rosemary, attended exclusive schools, was presented as a debutante to the Queen of England, and traveled the world with her high-spirited sisters. And yet, Rosemary was intellectually disabled --- a secret fiercely guarded by her powerful and glamorous family. Kate Larson reveals both the sensitive care Rose and Joe gave to Rosemary and then the often desperate and duplicitous arrangements the Kennedys made to keep her away from home as she became increasingly intractable in her early 20s.