Growing up in the safety of Britain, Jonathan Wittenberg was deeply aware of his legacy as the child of refugees from Nazi Germany. Yet, like so many others, there is much he failed to ask while those who could have answered his questions were still alive. After the death of a family relative, Jonathan discovers an old suitcase among her belongings which contains a bundle of wartime letters left untouched for decades. These long forgotten letters eventually draw him into a profound quest to uncover the painful details of his family history.