Betsy Balcombe as a young woman lived with her family on St Helena. They befriended, served and were ruined by their relationship with Napoleon. To redeem the family's fortunes William Balcombe, Betsy's father, betrays Napoleon and accepts a job as the colonial treasurer of NSW, bringing his family with him. William never recovers from the ups and downs of association with Napoleon. His family however flourish in Australia and remain renowned pastoralists in Victoria. Tom Keneally, with his gift for bringing historical stories to life, shares this remarkable friendship and the beginning of an Australian dynasty.