Captain Jack Aubrey, and ship's doctor and spy Stephen Maturin, encounter castaways, shipwrecks, and murder when they set sail for Cape Horn on a mission to foil an American frigate's plan to sabotage English whalers.
Two men, Captain Jack Aubrey, R.N., and Stephen Maturin, ship's doctor and intelligence agent, become fast friends aboard a man-of-war ship during the Napoleonic wars.