Captain Kidd (1945)

Cutthroat pirate William Kidd captures Admiral Blaynes treasure ship and hides the bounty in a cave Three years later Kidd posing as a respectable merchant captain offers his services to the King of England Seeking a social position Kidd also negotiates for Blaynes title and lands provided he can prove Blayne was associated with piracy Launched upon his royal mission Kidd is unaware that Blaynes son Adam is among the crew determined to clear his fathers name