Australian celebrities play detective as they go in search of their family history, revealing secrets from the past. Travel around Australia and the world with Jack Thompson, Kate Ceberano, Geoffrey Robertson, Catherine Freeman, Dennis Cometti and Ita Buttrose as they find out things about their ancestors that they never thought possible. Along the way there will be scandal, adultery, pioneers, bushrangers, artists and royalty. Join the trail of discovery to uncover where these celebrities came from as they find out just who they think they are.