Private detective Tatyana Ivanova schedules a business meeting with her friend in the bar “Vostorg,” not imagining what this bored-stiff undertaking will turn into. In the bar, thanks to Alla, she meets Arkady Tregubov: a former lieutenant colonel and the owner of a kennel where guard dogs are raised. Around the same time, Tatyana becomes acquainted with Tregubov’s friends—Larik and Olga Borisova. Two days later, Olga Borisova asks Ivanova for help to find her husband: after that same party, having quarreled with his wife, Larik went to his holdings—greenhouses next to the Tregubov kennel—and disappeared…