The second directorial effort from Academy award-winning actor Sidney Poitier, this romantic drama is about widowed American doctor Matt Younger (Poitier) who travels to London with his daughter, Stefanie (Yvette Curtis). There, he meets Catherine (Esther Anderson), the daughter of African Ambassador George Oswandu (Earl Cameron). A romance develops between them, and Dr. Younger realizes that the strange men that follow Catherine around have been hired by her father in order to keep an eye on her sickle cell anemia.