When a married French naval officer, Pierre LaRochelle, decides to bring pirate Captain Anne Providence to justice, he finds he has bitten off more than he can chew. Things start out smoothly as he woos her and she falls in love with him, but soon the clever Anne figures out his scheme and kidnaps both he and his wife. After leaving them to die on a deserted island, she relents and saves them. Captain Anne then has the opportunity to redeem herself in a battle with her arch enemy, Blackbeard, which provides plenty of action and adventure.