The Black Swan is a 1942 American swashbuckler Technicolor film by Henry King, based on a novel by Rafael Sabatini, and starring Tyrone Power and Maureen OHara. It was nominated for two Academy Awards, and won one for Best Cinematography, Color.
After England and Spain make peace, notorious pirate Henry Morgan Laird Cregar decides to reform. As a reward, he is made Governor of Jamaica, with a mandate to rid the Caribbean of his former comrades, by persuasion or force if necessary. He replaces the former governor, Lord Denby George Zucco, but is not trusted by either the lawful residents or the pirates.Captain Jamie Waring Tyrone Power and his lieutenant, Tom Blue Thomas Mitchell, reluctantly give up their trade out of friendship for Morgan, but others of the Pirate Brotherhood, such as Captain Billy Leech George Sanders and Wogan Anthony Quinn, refuse to change. Meanwhile, Waring takes a liking to Denbys daughter, Lady Margaret Maureen OHara, who happens to be inconveniently engaged to an English gentleman, Roger Ingram Edward Ashley. As it turns out, her fianc is secretly providing information about ship sailings to the unrepentant pirates. ........
Source: Wikipedia