Successful businesswoman Katya finds out that her daughter tried to commit suicide. As it turned out, not the first time. To be closer to her daughter and understand what the kids really are doing at school, she goes to work as an economics teacher. The young mother did not even know what secrets hide behind the walls of the ordinary Ukrainian school. At the same time a new English teacher comes to the school - a former lawyer and a son of the principal - Alex. He has a fiancee who lives in the United States, but suddenly there is a spark between him and Katya. However, the skeletons of the past are still haunting them and they won't let our heroes go.