Fleeing an arranged marriage to a brute, tomboy Erin must abandon the native land of her late father in hopes of forging a new life. But when the only escape for the Admiral's daughter rests in the clutch of a lecherous shipmaster, at his command, Erin is forced to conceal her feminine beauty beneath manly garb. However, her horror becomes a nightmare when bloodthirsty pirates suddenly besiege the shipmaster's schooner. Faced with evisceration, the Admiral's daughter fights for her life with such skill that the pirate captain conscripts the feisty "boy" into his cutthroat crew - where...