The Corsairs (1971)

After the death of her father, the viceroy of a small Caribean island, the beautiful young Isabella is in a big danger. The crafty duke of Burt wants to grab the power on the isle so he decides to eliminate her. Fortunately then comes a group of pirates stranded after a shipwreck. Their leader is the brave and bold Alan Drake. The pirates are hired to protect Isabella and the adventure begins.