What special talent could two teenage boys possibly have that would enable them to help save their state capital? Frank and his brother, Tommy, team up with their friend and guide, Chris, to journey to the St. Marks Lighthouse on a mission to prevent the capture of Tallahassee. Adventure, surprises, and danger await these members of the Lighthouse Brigade as they forge their way through the backwoods of Florida. Their trust in people is tested when they encounter new acquaintances and old friends. The boys evade kidnapping plots, animal attacks, and confrontations with Union troops. A terrified Tommy is separated from the others. Lost, and hiding deep in Union territory, he fears he will never be found. Through it all, the boys are faithful to put their trust in God.