The mastermind behind a ubiquitous spy operation learns of a dangerous romance between a Russian lady in his employ and a dashing agent from the government's secret service.
King Charles II first meets Nell Gwyn after seeing her do a turn at Drury Lane. They soon become close, the King preferring her feisty irreverent company to that of the aristocratic French Duchess of Portsmouth. Nell becomes his most loyal subject, while ever-ready to take the Duchess down a peg....
The film focuses on the naval warfare around the Battle of Coronel and Battle of the Falkland Islands during the First World War. It was the last in a successful series of documentary reconstructions of First World War battles by British Instructional Films made between 1921 and 1927.