When the lighthouse keeper, Samuel David brings his new bride to his lighthouse home, he is asked to do the impossible. His captain orders him to carry away a cursed treasure on their wedding night. He makes a promise to return, when the unthinkable happens. 65 years later, David, recently divorced, and his pals decide to go on a fishing cruise to the Bermuda Triangle. Can David find a way to break the siren's cures before he goes insane ?