After arguing with her mother and friend, Tanya wanders down the street and a female stranger gives her a free ticket to the theater. During the performance, a male stranger (Ivan) sits next to the protagonist. The young girl is at a crossroads: her parents insist that she should enter a pedagogical institute. But when you are 18, it seems that the whole world is at your feet. Therefore, the night before the exam the girl makes an important decision...