The story of an elopement of a young couple from Chicago, who decide to go to London, travelling as brother and sister. Their difficulties commence in New York and become greatly exaggerated when they are shipwrecked in mid-ocean. The hero finds himself stranded on the island of Nedra with another girl, whom he has rescued by mistake. The story gives an account of their finding some of the other passengers, and the circumstances which resulted from the strange mix-up.