It's the beginning of the school year. All of a sudden it turns out, that the new english teacher has failed to show up on her first day on the job. Now it's up to the principal to solve the problem.
The new English teacher has a conflict with one of the students, Misha Yakovlev. The head teacher tries to use this situation to force the newcomer out of the school.
Igor constantly humiliates Karina because of her Armenian roots, but he has problems of his own: his pager was found at the crime scene. Dangulov tries to ask Arzhanova out on a date, but she has an older guy in mind.
Igor becomes a murder suspect. His only hope is Karina, who can provided him with an alibi, but she hates him for his racist remarks. Meanwhile, Denis and Nikita test patience of Physical Education teacher.
Elena Pavlovna's money bonus was given to another teacher, and she is afraid to act. Denis continues his bullying, and Liza tries to stop Dangulov from dating Korolkova.
The Head teacher spreads the rumor, that Chemistry teacher's son is a convict. It turns out, it's not a rumor at all. Denis catches Egor forging mom's signature and blackmails him. Igor asks Burundukov to write an essay in English for him.
Unable to continue her work at the school with all the colleagues discussing her convicted son, Chemistry teacher tries to quit. Burundukov and Tsibin are in conflict with the English teacher. Denis forces Egor to forge signatures.
Tsibin smokes in a class room. Now the whole class is going to be punished. The principal hires a psychologist to resolve the situation. Also, it's Head teacher's birthday.
In order to punish Polina for snitching, Igor spreads the rumor that she is pregnant. The new counselor tries to help the Head teacher with her midlife crisis, but her conflict with the students continues to escalate.