 The novel takes place shortly after the end of the series, following the death of Louis XVI.Set in Paris during the Reign of Terror, the novel follows the adventures of a brave young man named Maurice Lindey who unwittingly implicates himself in a Royalist plot to rescue Marie Antoinette from prison.Maurice is devoted to the Republican cause, but his infatuation with a beautiful young woman leads him into the service of the mysterious Knight of Maison-Rouge, the mastermind behind the plot.