Successful business lady, Katya learns 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 director - Alex. He has a bride who lives in the United States, but suddenly a spark ignites between him and Catherine. However, the skeletons of the past soon resurface .....