The most incredible stories go about Maria Budberg to this day. Is it true that the legendary Mura, a friend and secretary of A.M. Gorky and a companion of Herbert Wells, worked for two reconnaissance at once, performing tasks of the most secret property? Could she influence important political decisions of her time? Alas, the unequivocally established facts in her biography are negligible, and this still intrigues historians, journalists and the general public, and books and articles dedicated to the mysterious woman still contain more questions than answers.