For five years, the dashing pirate the Barracuda (Paul Henreid) has attacked and plundered the fabulous treasure ships on the Spanish Main, taunting the tyrannical Governor Don Alvarado (Walter Slezak). Now, in his most daring of raids, the Barracuda seizes the ship carrying Don Alvarado’s beautiful bride-to-be, Francesca, (Maureen O’Hara). He steals her dowry – but she steals his heart. But the Barracuda’s fellow pirate captain’s believe he has gone too far – and that stealing the Governor’s bride will bring the full might of the vengeful Spaniards down on them. As the Barracuda and his new love arrive in the pirate haven of Tortuga, plans are already underway to betray him to his most hated enemies…