Concluding the tale of Jem and Ella's ill-fated love: both have been transported as convicts to Van Diemen's Land. Ella and Jem's baby son, William, is dying from malnutrition in the nursery of the female factory at Launceston, where Ella is imprisoned. In order to save his life, she must put herself forward for marriage, despite having a legal husband, Harry, and a son, Matthew, in England. Her new 'husband' has gold fever and is taking her and William over Australia's Bue Mountains in search of his fortune. Harry, in England, doubts Matthew is his son, and, desperate for a legal, blood heir, determines to hear the truth from Ella's own lips and sets out to find her. Jem, meanwhile, still a prisoner in Impression Bay, on Van Diemen's Land's convict peninsula, believes Ella and William are in England. Letters from home suggest she's with Harry, and is happy, but can Jem believe that after what Harry has put her through? Unable to rest until he knows she's safe and happy, Jem determines on a further escape attempt to reach England and Ella. Will their paths ever cross again, or is their love not meant to be?