It is the winter of 1813. Wellington is gathering his forces, preparing for the final push into Paris. Napoleon has dispatched his best agent, Major Ducos, to find out where the invasion will begin. Newlywed Richard Sharpe must leave his wife to go on a mission in the Pyrenees, capturing a French castle while Wellington forces a passage through Napoleon's flank. Sharpe's wife is also in danger. A deadly fever has swept through the British camp and Jane is close to death.