On a Making Tide chronicles the fascinating early years of Horatio Nelson and Emma Lyon. Both determined to rise from obscurity, they set about making their ways through the world with corresponding recklessness and precocious ambition. Nelson enters the Royal Navy at the ae of twelve and is made a post captain at the age of 20 – his reputation as a daring yet benevolent officer secured in the American War of Independence.

London: 1793. Young firebrand John Pearce, on the run from the authorities, is illegally press-ganged from the Pelican tavern into brutal life aboard HMS Brilliant, a frigate on her way to war. In the first few days, Pearce discovers the Navy is a world in which he can prosper. And he is not alone; he is drawn to a group of men who eventually form an exclusive gun crew, the Pelicans, with Pearce their elected leader.

1787. Captain Edward Brazier is on a mission: recently paid off from his frigate and comfortably off with prize money, he is headed to Deal to propose marriage to the young and lovely widow Betsey Langridge. He must navigate the bustle of the town's narrow streets that are busy with legal, illicit and depraved business flowing from and around the ships at dock. But all does not go well; between Betsey's brother and guardian, Henry Tulkington, prohibiting the match and Brazier marked out for trouble by a local smuggling gang, his plans are in disarray.

1793: the onset of Britain's conflict with Revolutionary France. Ex-captain turned privateer, Harry Ludlow finds himself on board the naval 74-gun Magnanime, with his brother James. In command is Oliver Carter, a captain with whom Harry has an unfortunate history. But when James is found standing over the body of a dead officer, old scores appear to be put aside…at least for the time being. Blinded by his own prejudice, Harry sets out to prove his brother’s innocence, but it is soon apparent that his feud with Carter is not the only dark secret aboard the Magnanime.

Introducing George Markham, lately of the 65th Regiment of Foot, now Lieutenant of Marines on His Britannic Majesty’s frigate Hebe. Irishman, papist, reputed coward; he is a man with something to prove. As the winter of 1793 comes to the Mediterranean coast of France, so too does the chill wind of the Revolutionary terror. When the Hebe is sent to help the Bourbon city of Toulon, Markham will have to prove he is a worthy officer of Marines…or die in the attempt.