Viktor, a successful businessman and former doctor, illegally returns to the hospital to help his mother who is sick with COVID-19. Risking his life and freedom trying to figure out what it is, he, along with the medical team, helps the hospital to better prepare for the impact of the pandemic.

A large construction company is trying to take over the territory of an orphanage in order to build an amusement park there. The director of the orphanage, with the support of his wards, is fighting for its preservation. The head of the construction company Borisov wants to achieve his goal by any means and hires a professional to solve controversial and slippery issues Polunin, as well as a careerist Chizhikov, who hires bandits. However, the bandits only aggravate the situation, creating more and more problems for Borisov. At the same time, Polunina, who tricked into getting a job as a physical education teacher in an orphanage, begins her subversive work.

1944. After the hospital or because of problems with vision and speech, several officers are "written off" to a false airfield. The Nazis take this airfield for the real one, and pilot Ivan Polivanov learns about it at the most inopportune moment.

Maria’s husband died tragically, leaving her with overwhelming debt and two small children to care for. She tries to find a way to make ends meet, but her efforts are in vain — creditors are demanding repayment, and Maria and her children are on the verge of losing their home. Unexpectedly, a former friend makes her an unusual offer — one that could solve all her problems and give her a chance to start a new life. Maria must carry and give birth to someone else’s child… for another family.

Fourteen-year-old Egor, having moved with his mother from St. Petersburg to Kaliningrad, begins a new life: another educational institution - the Kaliningrad Nakhimov School, new acquaintances, new friends, new circumstances and concerns... He immediately decides to gain authority and introduces himself as the brother of the legendary Nakhimov students Loginov. And the plan works at first - popularity allows him to become the star of the class.