It was necessary for private detective Tatyana Ivanova to set herself up like that - to chase after the main suspect in order to end up being arrested for his own murder! Colonel Kiryanov of the Ministry of Internal Affairs approached Ivanova at the request of his friend. The famous detective was required to find a girl whose parents had died. The father left his daughter an inheritance that, it would seem, no one claims. But a holy place is never empty; other applicants have also turned up. They kidnapped an orphan, and now they got serious about Tatiana...