A Yankee spy on Key West must eliminate a Rebel saboteur whom he fears may, in fact, be the young woman he loves.... In 1860 the tiny island of Key West, southernmost tip of the United States, boasts a small, eclectic population grown wealthy salvaging merchandise from the wreckage of ships. Some Key West "Conchs" have been known to build fires on the shore north of the official lighthouse, tricking doomed ships onto the coral reefs and into...