A true daughter of the fearsome O'Malley clan, Grace spent her life wishing to join the fight to keep Henry VIII's armies from invading her homeland of Ireland -- only to be told again and again that the battlefield is no place for a woman. But after English conspirators brutally murder her husband, Grace can no longer stand idly by. Leading men into battle on the high seas, Grace O'Malley quickly gains a formidable reputation as the Pirate Queen of Ireland with her prowess as a sailor and skill with a sword. But her newfound notoriety puts the lives of Grace and her entire family in danger and eventually leads to a confrontation with the most powerful woman in England: Queen Elizabeth I.