Private detective Tatyana Ivanova finds an organizer in the interior of her car—a case left behind by a random passenger. Without much trouble, she identifies the owner and arranges a meeting. But when she goes to the address, the investigator discovers only a cooling corpse of the unfortunate man. That’s how it might have ended—except two days later the chief of that very man contacts Ivanova: the day before the murder of Ivanov’s passenger, a huge sum disappeared from his safe… From a conversation with the murdered man’s widow, Ivanova learns a curious detail: shortly before his death, her husband looked especially happy. And this despite the fact that lately someone mysterious and aggressive had been calling the spouses…