As a teenager, Ulyana was madly in love with her brother's best friend, Mieczyslaw, six years older than her. However, the guy did not pay attention to her from the word “at all.” He changed girlfriends almost every week, while the girl silently poured out her suffering in her diary. They had not seen each other for seven years, and at the very first meeting Mieczyslaw realized that he had found his destiny. But Ulyana immediately turned him away. Will Mieczysław be able to win the girl of his dreams if he seriously offended her in the past and doesn’t even remember it?