The story follows a group of boys who embark on an exciting camping expedition along the St. Lawrence River. The protagonist, Fred Wainwright, and his friends, are enthusiastic about exploring the historical significance of the region, particularly the trails once traveled by early European discoverers like Jacques Cartier and Samuel de Champlain.As the boys set up their camp and begin their journey, they encounter various challenges and adventures. Their trip is not only a physical exploration but also an educational one, as they learn about the rich history and cultural heritage of the St. Lawrence region. The narrative is filled with descriptions of the natural beauty of the river and its surroundings, as well as the historical landmarks they visit.Throughout their journey, the boys exhibit qualities of teamwork, resourcefulness, and bravery. They face natural obstacles, such as navigating the river and surviving in the wilderness, as well as historical mysteries that they seek to unravel. The spirit of camaraderie and the thrill of discovery are central themes in the novel.