In his most popular historical novel, The Three Musketeers, Alexandre Dumas built a fascinating intrigue around a seemingly banal love triangle: King Louis XIII of France - his wife Anne of Austria - the English Duke of Buckingham. But did the writer tell readers the whole truth about his heroes? To whom did Louis XIII, popularly nicknamed “The Chaste”, really have a heartfelt affection? How did the Duke of Buckingham gain his unprecedented power? What is the content of the Marlezon Ballet? Has the treacherous Milady Winter really said goodbye to life under the executioner’s axe? Popular author Natalia Sotnikova, based on historical evidence, tried to find out what the famous writer Alexandre Dumas was keeping silent about.