Queen Hijau of Pattani faces overthrow by the rebel Prince Rawai, who is allied with pirate captain Black Raven. The pirates attempt to capture some giant cannon invented by Dutchman Janis Bree and Chinese inventor Lim Kium, but the Dutch ship carrying the cannon blows up and the cannons sink into the sea.
Meanwhile, an orphan sea gypsy boy named Pari is raised in a fishing village, which is constantly under attack by Black Raven's raiding parties. The boy, gifted in the magical art of Du Lum, is taken by his uncle Anjar to learn more of the magical ways of the ocean from White Ray, but the sage refuses to teach the boy. Nonetheless, Pari is soon communicating with the marine life. He grows into manhood and becomes a fighter against Black Raven's pirates.
Queen Hijau of Pattani faces overthrow by the rebel Prince Rawai, who is 
