Ian Thorpe, Ernie Dingo and Julia Zemiro are setting out on extraordinary experiment. They're about to become some of the first people in Australia to use DNA to go on a journey tracing their ancestry back through more than 200,000 years.

When Helen Tudor-Fisk's life falls apart, she takes a job in a small suburban firm specialising in wills and probate assuming that, because the clients are dead she won't have to deal with people.