1796: Nathan Peake captain of the frigate Unicorn is sent with a small squadron into the Adriatic to help bring Venice into an Italian alliance against the French. He establishes a British naval presence harrying the French corsairs that swarm out of Ancona in Italy. While Nathan confronts the politics of intrigue poison & the stiletto in Venice his mission is further complicated by the arrival of Napoleon Bonapartes aide de camp Junot. Recognising Nathan as the American who saved Bonapartes life in Paris Junot invites him to army headquarters where he unwillingly joins the French in a victorious battle against the Austrians. Meanwhile in Venice French troops move into the city & a new revolutionary government takes power. Nathan learns that Bonaparte is negotiating a peace deal with the Austrians
- Britains only remaining ally. Worse the Spanish are about to ally with the French. Nathan returns to the Unicorn & rejoins Nelson for the decisive Battle of St Vincent against the entire Spanish fleet.