Nadezhda Klimova arrives at the clinic with her pregnant 18-year-old daughter Nastya, who does not suspect that she has become a victim of a blackmailer. At the same time, it turns out that Nadezhda herself, Nastya's mother, has a migrated contraceptive implant in her lung, requiring immediate surgery. Kaverin has to act not only as a surgeon, but also to protect the honor of the girl. Foreman Ageev asks Kaverin to help find the fictitious bride Polina. He experiences a series of comical dates with various candidates, each of which ends in failure, until Kaverin hints that he has a suitable candidate in mind. Zharova reveals her true plan to Bragin...

On his day off, Kaverin saves the life of football player Kravets, who was vacationing with his wife at a SPA hotel, diagnosing him with a rare allergy to cold. The couple share their plans for a second child with Kaverin and Yelagina and agree to an offer to help pay for surrogate motherhood for another couple suffering from infertility due to genetic incompatibility. Zharova finally falls under the influence of Bragin. He suggests that she use her position to enrich herself illegally at the expense of wealthy patients, hinting at eliminating people who interfere with this, including Kaverin.