All ages are submissive to love, so the middle-aged university teacher Boris Gusarov cannot resist young Katya. And before her - in front of young Christina, Asya and other beautiful ladies! After all, Katya is already Boris’s third wife. The couple look like a wonderful couple, but each of them has affairs on the side. This variety of love affairs greatly complicated the work of the police when Gusarov was found murdered. Fortunately, private detective Miroslava Volgina is not sentimental and will not miss the thread of the investigation in matters of the heart...