England, 1700: Franco is the illegitimate son of a pirate died at sea, and now he works as a waiter in a tavern. Ciccio is an unfortunate Capitan Black who tries to bring up his image as that of a great bloody killer. The two meet in a ship, where Franco discovers a map where there are directions to a mysterious island, where there's buried the treasure of the notorious pirate Flint. Ciccio then proposes to recruit a crew, and so doesn't realize that between the hubs and the people of the sea enters the dreaded pirate Blackbeard, who's seeking revenge, because years ago he helped Flint earning the coveted treasure...