High stakes, indeed! Dr Peter St Claire, academic and expert in time-slip phenomenon, had no idea of the dire consequences when he allowed his idealistic postgraduate student, Harriet Barsden, to convince him to explore the secrets of the contents of a mysterious container of Aboriginal nineteenth-century artifacts and a diary from a Barsden ancestor in the Barsden homestead archives. Attempting to save the HMAS Sydney becomes less important now for Harriet and Peter as this time-slip adventure assumes a dreadful reality, as they are pulled into the web of Nazi penetration into wartime Sydney. Where would these inexplicable secrets from Australia’s ancient First Peoples take them?