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.

Pregnant Svetlana Klimova is hit by a car major Arkady Kobrin. The father of Sveta's child, Veniamin, under pressure from Arkady's blackmail, convinces her to sign a waiver. Despite the severe injuries and the risk, Sveta goes through natural childbirth with the support of Kaverin. Gleb, using a trick, convinces Arkady to give Sveta his car as compensation, presenting it as a gift from the runaway Benjamin...