A Sea Story follows the adventures of Ben Slade, a retired mathematician, as he bounds about the Caribbean on his 47-foot catamaran. On his journey through the islands off the north coast of South America, Ben develops a relationship with Cynthia, a beautiful ballerina, who joins him on his trip west. Ben is an unexpected hero, an aging intellectual who manages to rise to the occasion when heroic deeds are required. He romances Cynthia. He intercepts a stolen rutter, ancient sailing directions to a sunken Spanish treasure ship. This incurs the wrath of Mendoza, a notorious Colombian drug...