A book is the third and final in the loop Secret of dukes Burgundy . A cycle is sanctified to the not popular, but bright episode of medieval history - flight and falling of dukedom Burgundy. The action of book develops in two epochs: to the middle of the XV century, time of bloom and falling of dukedom Burgundy, and at the beginning of century of XVI, when to power new forces came in Europe. Heroine of cycle, Маргарита, as well as her mother Maria - last mistress of dukedom Burgundy, passes through a test love, power, by death of near, treachery and wars. In registration of cover a miniature is used from the medieval manuscript of Das Berliner Stundenbuch der Maria von Burgund und Kaiser Maximilians (horologion of Maria Burgundy and Emperor Maximilian).