The Masked Man Against the Pirates (1964)

In 1659, pirate captain Garcia and his crew sink a Spanish ship, taking Anna, the princess of Aragon, prisoner. Juarez, having protected Garcia's life during the fight, gains her as his prize. When the pirates reach their island, Rodriguez, a slaver, arrives. He is interested in buying the women, especially the princess, but also fears the masked man, with whom he has already had an unfriendly encounter.