“If you are reading this letter, it means that I am no longer alive...” Nastya, a girl from a prosperous family, loved by her parents, making plans to go to university and yesterday chatting carefreely with her classmates, receives this letter from a friend whom is no longer in this world, and the old life is instantly crossed out. Who drove Olya to suicide? Or maybe it wasn’t suicide at all, but a cynical, planned murder? Who needed the passing of a beautiful, young girl full of promise? And what does her virtual acquaintance with the strange nickname Velial have to do with this? And don’t strange secrets from the past of Olya’s parents lead to a solution? All this has to be unraveled by Nastya, who decides to find out at all costs who killed her friend. And she doesn’t suspect that from now on her life is in serious danger, because the criminal is very close...