The Wine-Dark Sea
Patrick O'Brian
 The narrative opens with the close pursuit of an American privateer, the Franklin, by Aubrey and Maturin's Surprise, a fictionalised version of the original HMS Surprise in the South Pacific, interrupted by an submarine volcanic eruption which completely disables the former and severely damages the latter. The Franklin is easily taken as most of its crew are either dead, severely wounded or drunk, and Monsieur Dutourd, its French owner, is taken on board. A wealthy philanthropist, he intended to colonise a South Pacific island, Moahu, and establish a paradise of equality, justice, and little labour, after first enriching himself by committing piracy on assorted British whalers and merchantmen, and then wiping out the island's hostile native population. Maturin recognises Dutourd from earlier days in the high society salons of Paris, and takes pains to hide his identity from the Frenchman. Aubrey, meanwhile, finds that not only does Dutourd not know the basic courtesies of life at sea, but does not have a letter of marque permitting him to operate the Franklin as a privateer. The Franklin having taken several British ships as prizes, Dutourd's legal status is that of a pirate, liable to be hanged. An American whaler is taken by the Surprise and the Franklin, and a British sailor on the whaler tells Aubrey of a French ship — the Alastor — turned a true pirate, unlike the Franklin, flying the black flag and demanding immediate surrender or death of its victims. The Franklin encounters the Alastor first and is outmatched, but the Surprise overcomes the pirates, with Aubrey receiving severe wounds to his eye from wadding and his thigh from a pike thrust. The story now turns to Maturin's secret mission to Peru. He is put ashore to incite revolution against the Spanish colonial government and makes valuable contact among local military and government officials sympathetic to Peruvian independence. He is also aided by Aubrey's illegitimate son, Sam Panda, a prominent official in the Roman Catholic Church and close to becoming a prelate. Stephen also meets Dr Geary from the Three Graces and is able to secure a passage home for Mr Martin who has been severely laid low by what he presumed was the Sydney pox, but in fact which turned out to be simply bad salt sores. His task as an intelligence agent is suddenly made harder owing to Dutourd's escape and arrival in Callao (aided by the Surprises Knipperdolling crewmembers). He raises a hue and cry, denouncing Maturin on the eve of the carefully engineered revolution, as an English spy. Aubrey, meanwhile, sails in a small boat with a few crewmen from the Franklin to San Lorenzo to warn Maturin of Dutourd's escape. After many days of hard sailing against the wind in appalling weather conditions, they finally reach the harbour and are taken on board the Surprise by Captain Pullings. Once he has recovered, he receives a welcome visit from his illegitimate son and Sam updates him on the local political situation. Stephen, after a secret meeting with Gayongos, a wealthy merchant and revolutionary sympathiser, has departed on a mule into the mountains, to meet with the Vicar-General, Father Bernardo O'Higgins, and to view the mountainous flora and fauna accompanied by Eduardo, his highly knowledgeable and amicable Peruvian Indian guide. The doctor sees numerous condors, flowering bromeliads, guanacos and vicuña. After leaving a Capuchin monastery, Eduardo receives a message that the revolution has failed due to Dutourd's premature exposure and Maturin has to flee for his life. Trekking over the Andes mountains, Maturin and Eduardo are caught in a viento blanco (blizzard) and Stephen has to amputate two of his own frostbitten toes with a chisel - but being the indefatigable naturalist that he is, he is able to collect a considerable number of plant and animal specimens. Having eventually made his way from Lima to Arica, and then taken ship from Valparaíso, Aubrey eventually picks Maturin up in Chile. Stephen informs him of three American China ships sailing from Boston. The Surprise sails to intercept them off Cape Horn but, as she prepares to engage them, is herself fired upon by a thirty-eight gun US frigate. After avoiding an iceberg, the Surprise is chased until her pursuer sails down a lane in the ice field that is a dead-end. The Surprise escapes but then loses her main mast and rudder after being struck by lightning. Jury-rigged, her crew spot a ship hull-down on the horizon and fear that it is the more powerful American frigate back in pursuit. However, the ship turns out to be the Berenice, a sixty-four-gun ship of the line commanded by Aubrey's old friend Heneage Dundas, accompanied by an American clipper they have taken and are using as a tender. Dundas provisions them with spars, cordage, storage and a Pakenham substitute rudder (and the much-needed pepper that Maturin needs to preserve his specimens from a moth) and as the book ends the Surprise is homeward bound.