Lera is a star Moscow obstetrician and a proponent of natural childbirth. One of her clients is Masha, the young mistress of influential businessman Shakhov. She is expected to give birth to his long-awaited heir, but due to complications during childbirth, the baby is born in critical condition. Shakhov initiates an investigation, the outcome of which will determine the fate of not only the clinic but also Lera herself — the main suspect in the tragedy.

Upon meeting Masha, Sanya felt something other than anger and apathy for the first time in a long time. But his attempt to keep her turned into an outburst of the very aggression he was trying to escape. Now he must face the consequences, realizing that he had destroyed the most precious thing he had with his own hands.

A young German, Werner Müller, turns out to be a volunteer in the neurological department of an ordinary St. Petersburg hospital. A foreigner, overwhelmed by the impulse to help all the sick and needy, has a long and eventful day ahead of him. Every now and then, finding himself in comical situations and making his way through misunderstandings, the volunteer discovers all the facets of the Russian national character.