The mysterious disappearance of her mother forced Ekaterina Kurbánova to seek help from private detective Tatyana Ivanova. Taking the case, Tanya discovered that Ekaterina’s mother—a very wealthy woman—had urgently sold a mansion she’d bought only recently shortly before she vanished. Her daughter knew nothing about it… The trail of Katya’s mother ends at a train station—she took a ticket to Tyumen. And after that, no one ever saw this woman again. What could have frightened Ekaterina Kurbánova’s mother so badly that she decided to radically change her life without even telling her own daughter?..