Investigator Startseva finally learns the whole truth about the confusion that occurred with the test tubes… Thus, Kaverin closes his debt to her. Gleb begins building his own house on the land that his father left him as an inheritance. Now he has become the head physician of the Department of Obstetrics and Gynecology. But Gleb's ex, Marina, suddenly breaks into these cloudless plans again. After that, the doctor realizes that his wedding with Yelagina may be under threat.

Gleb learns that his place as head of the department has been taken by Tatiana Zharova, his former classmate, who returned to the city after a scandalous divorce, with whom he once had an affair. The new boss quickly takes control of everything, making Kaverin's fiancee Elena Yelagina jealous. Zharova finds out that Kaverin's ex-wife Marina, whom he has surrounded with care, is not pregnant by him, and goes to her with the test result...

Katerina Shcheglova is carrying a child, who is claimed by two couples at once - the Dyakovs and the Mayskys. Kaverin, along with Yelagina and Zharova, has to maneuver between the interests of all parties, trying to establish true paternity and prevent a scandal. The situation is complicated by the unexpected pregnancy of Lika, the Shcheglovs' daughter. While doctors are trying to unravel medical and family secrets, the evening ends for Kaverin with a fight in a bar and subsequent proceedings.