A sensation! An ancient manuscript has been found—one that many historians, including the husband of Nina Lavrentyeva, the friend of Dasha Vasilieva, had been searching for. But he, having figured out where the hiding place was—where a unique library of Pankrat Varvarkin had been kept for almost a hundred years—didn’t dare go in. According to legend, a witch’s curse is placed on the cave entrance. Nina, however, decided to do it—she really needed money, and rare items are worth millions! The curse came to pass: Lavrentyeva fell into a coma. And then… the very same witch came to treat her. But she’s been dead for ages! Then how could a fingerprint of the deceased old woman appear on the doorstep call? No, something is wrong here… A lover of private detective work plunges headfirst into the investigation. First, she needs to find out what disease struck Lavrentyeva so suddenly; second, to uncover the mystery of the curse; third…