Well-known Australians go in search of their family history, revealing secrets from the past. With secrets uncovered and histories revealed, each individual discovers that their ancestors form an integral part of not only their own identity, but that of the nation. Combining personal journeys with big-picture history, the stories show how Australians have come to be today. Australia's multicultural background makes this is a global story, with each celebrity tracing their ancestors around the world. They travel to the places where their forebears would have lived, loved and died, and learn about the hardships and hurdles their ancestors overcame. This is a fascinating chronicle of the social, ethnic and cultural evolution of Australia's national identity.