The year is 1659. The infamous pirate Pedro Ramon Garcia manages to capture the Spanish king's niece and her entourage during one of his raids. They are all to be sold to the slave trader Ramirez. There seems to be no hope of rescue. Until one day, however, a masked man appears, whose origins are unknown. The pirates dismiss his existence as a mythical figure. But eventually, the masked man's acts of aid become more frequent. The pirates' desperate attempts to trap him fail, until they discover that the man is right there among them...