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...

Bragin demands that Kaverin and Zharova organize the escape from custody of a pregnant prisoner, who should soon be transferred to their center. The prisoner arrives with a stomach wound, which turns out to be part of an escape plan. Kaverin is forced to participate in the staging in order to save the woman's life. Sorokin, sensing something is amiss, tries to intervene, but he is neutralized. During the escape, Gromova goes into premature labor...

Vera Minaeva is being hospitalized in a clinic with a threat of miscarriage. Tests show a drug in her blood indicating an attempted poisoning. Kaverin begins his own investigation, the circle of suspects narrows down to family members... Zharova, having learned from Dobrovolsky about Sorokin's criminal past and his medical mistakes, uses this information for blackmail. She forces him to write a good report and leave town. Kaverin learns from Zharova that she faked Marina's DNA test results. Bragin threatens Zharova and demands that she kill Odintsovo during the operation.