Sarah Thornhill is the last child born to William and Sal Thornhill, whose struggle to establish a new life in Australia was told in the author's novel
The Secret River. Sarah's mother is now dead and her father has re-married, who attempts to conceal and overcome her husband's convict past. But Sarah has a will of her own and falls in love with Jack Langland, a "half darkie", the product of a white father and an Aboriginal mother. ==Notes==