It is the year 1756 and fears are rising that France will immediately invade the English territories of Minorca and Gibraltar. Post-Captain Daniel Winchip becomes the eyes of the English Navy - bringing status reports back to General Fowke in Gibraltar and both admiral Byng and Vice Admiral the Lord hawke in England.
Winchip's first mission on board the new frigate Eaglet takes him to Rochefort to bring a Frenchman, spying for the English, back to England. He is confused when the spy, Gaspar Foche, is accompanied by a woman - the beautiful Madeleine Loxley, a lady beset by tragedy and...