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...

At the entrance to the perinatal center, a baby is found with a note "for Kaverin." While Startseva and Dobrovolsky are conducting an official investigation, and Zharova is using the situation to stir up intrigue in the press, Gleb is forced not only to prove his innocence, but also to prepare for a meeting with Bragin. He and Yelagina offer Bragin a partnership. He agrees, but with a caveat...

Sorokin unexpectedly returns to the perinatal center with a check from the Ministry of Health. He conflicts with the staff and threatens Kaverin with a negative report. But his true goal is to get Kaverin to arrange a meeting with Marina to resolve the issue of paternity. At the same time, Kaverin and Zharova are faced with a very difficult medical case. To save the baby, they will have to perform a unique intrauterine operation...