The action of this love and adventure novel takes place in the first third of the 19th century in the southern United States. Prince Rolf of Ruthenia comes to Louisiana to kidnap and interrogate his brother's mistress, the American Claire de Buis, who was involved in his death and escaped from Ruthenia. But Rolf kidnaps Angelina Fortin, Claire's cousin and her mother's ward, since the girls are very similar, and Madame de Buis hides the fact that her daughter has returned home. Angelina swears that she is not involved in the Ruthenian events, but the prince completely refuses to believe that Angelina is not at all the woman he takes her for...