1774. Rob Courtney has spent his whole life in a quiet trading outpost on the east coast of Africa, dreaming of a life of adventure at sea. When his grandfather Jim Courtney dies, and the mysterious Captain Cornish calls into the fort, Rob takes his chance and stows away on Marston's ship as it sails to England. Arriving in London, Rob is seduced by the charms of the big city and soon finds himself desperate and penniless. That is until the navy comes...