The action takes place in the Moscow region in an old noble estate, built almost 200 years ago by Scherbatov nobleman. After the October Socialist Revolution and until the end of World War II, the manor was empty. From 1945 to 1953 a special reception center for children of “enemies of the people” was located here. Then from 1953 to 1980, orphanage No. 8 began to work there. After its closure, the manor was again empty for exactly 20 years. At the end of 1999, the building was bought out under a private elite boarding school, in which the action unfolds today. The series tells about the life of students and teachers of the elite boarding school "Logos", located in the old estate of Shcherbatov nobleman in the midst of a gloomy, but picturesque forest. In their closed world, all experiences are much more acute than in ordinary school life. In the story, throughout the series, there are eleven main characters. In the course of the plot, it turns out that each of them has its own secrets and skeletons in the closet.

Marta, 30, works as a psychologist at a prestigious college. Marta's life is settled: a successful career, a good-looking boyfriend Timur, an aspiring writer, and dreams of a family. Suddenly, her student Yulia tells Marta about her pregnancy and a decision to have an abortion. Yulia is 17 years old, her mother died a couple of years ago. And Marta, having mistakes of her youth in mind, decides to tell everything to Ivan, Yulia’s father, a wealthy businessman. Ivan turned out to be Marta's first and greatest love, Marta herself was pregnant by him 12 years ago, but terminated her pregnancy (and contacts with him) having found out that Ivan was married... It seems that fate gives Marta and Ivan a second chance to gain love and trust, but can they forgive each other and forget the mistakes of the past? What will be the fate of the 17-year-old Yulia?

Sergeant John Mackenzie is flying to Russia from the United States under the professional exchange program. The American not only becomes the partner of investigator Vasilisa Vikhreva, but also temporarily settles in her apartment. It's hard for John and Vasilisa to work together — the difference in characters and mentalities affects. But the successful results of joint investigations convince the leadership to create a special department around them to combat crimes committed by foreigners and against foreigners in Russia. Unraveling one case after another, the partners find themselves embroiled in an international espionage game around a major scientific discovery.

A few years ago, Natasha was a ballerina. Now she weighs more than 90 kg, and her husband calls her " Bun "- both because of the excess weight, and because of the addiction to sweets "from sergeicha". When she eats her favorite bun, she will complain to the "Sergeyich" drawn on the package about a boring job, the absence of children, and a non-working husband. And Sergeich always understands it.