Lenya Marquis, a super-swindler and extra-class swindler known in narrow circles, could not refuse to help his magician friend with an insignificant request - to find the stolen diaries of his old friend, a famous former opera singer and actress, familiar with almost everyone in the capital beau monde. Sofya Leonardovna promised to thank the “dear boy” Lenechka, but the Marquis himself, when he found out what kind of adventure he had gotten involved in, hastened to abandon all gratitude. What is it that is contained in the ill-fated notebooks of a pretty granny, if three people have already been killed because of them? Marquise's irreplaceable assistant and ally Lola is also sure that they will not receive money for this business, but they may well get into trouble...