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.

A pregnant young woman is admitted to the perinatal center. She is accompanied by her twin sister, with whom they have exchanged names and lives in order to hide the pregnancy of one of them from the husband of the other. Their story is becoming another challenge for Kaverin. Gleb suggests that Zharova unite against Bragin, but she chose the path of revenge and profit. Kaverin goes to the forest house to help Yana Privalova, who is hiding there, and engages in a shootout with Bragin's men. Then he meets with Bragin himself and offers him a plan to take the business away from Odintsovo...