Whatever happens in life. Napoleon's orderly gave his Russian mistress-servant a golden louis d'or with the emperor's profile as a souvenir. And half a century later, the granddaughter of that serf Maria Frantsuzova, ironically, was declared the granddaughter... of Bonaparte himself! And Maria was surrounded by a whirlpool of extraordinary and dangerous adventures: Moscow bohemian life, an affair with the handsome Prince Rokotov, an adventure with the organization of an international joint-stock company, an escape from the police...