Condemned to a penal colony in Australia for stealing a woman's bonnet, young Mary Bryant braves every danger in Britain's newest colony, Australia -- disease, famine, rape, and the cruelty of the penal system. As the first convict married in Australia, Mary and her husband Will learn from aboriginal friends how to survive. In time they also learn how to escape. Traveling three months and three thousand miles, Mary's courageous feat is yet unequaled by a woman with two young children traversing rough seas for so many miles in an open boat without training or navigational equipment. Mary's capture, return to England and the curious trial that determines if she lives or dies is filled with drama, and all the more interesting for the portrait of her real-life attorney, James Boswell.