Ursula's Promise, the fifth book in the Billy Love Wolf novel series, continues with the saga of the Forgotten Children: Ursula, Wolfgang, Ruth and Renata. It's the sixties, and the children's shared German heritage brings them back to West Berlin and Munich, where the lingering effects of a defeated Nazi Germany and the Cold War with Communist Russia intersects, impacting their lives in ways that are transformative. Held together by love and respect for each other, the four young adults crisscross the world from New York City to Lake Okoboji, Iowa to West and East Germany. Why do they keep secrets? What promises are being made? Each of them has a destiny influenced by the past, their connections with each other leadng to unexpected outcomes in a complex world. Eva Braun, Audrey Hepburn, and Marlene Dietrich return in this novel, playing roles in the young adult's lives, and helping them overcome discrimination and trauma.