While sorting an old archive, Professor Bartenev and his assistant Glafira Voznesenskaya came across a strange letter. As it turned out, it was connected to the fates of famous people who lived two centuries ago. And in the envelope they found a woman’s earring. Searching for its owner led to astonishing discoveries—and drew the attention of criminals. After all, rarities are expensive. Very expensive… Where will the last letter of the poet—addressed to the one he worshipped all his life—come to an end? Elena Dorosh writes for those who don’t fall into despair, aren’t afraid of trials, and expect only the good from life. Her books are not just detective stories. They’re about love, too. Each one reveals an exciting, sometimes little-known side of human existence.