About the book: a year / 3 years pass after Yegor and Sonya parted. Heroes grow, mature and change. School love evaporates under the onslaught of reality and old grievances. Or is it still not? Matvey, Egor, Sonya and Masha. Four people whose lives were changed by a tragic incident in their past. What will make them meet again? And who is the mysterious stranger who constantly sends them letters, claiming to know their darkest secrets??