Surely every person has his own secret. Only no one in the world cares about some one, but someone else... the whole class certainly wants to know. Why, the whole school! The mystery of the new Glykeria excited and beckoned. Who is she? Why does he appear and disappear so suddenly, wander through deserted and abandoned places, why is he mysteriously silent and hides information about himself? Olya Sokolova, who had no secrets, is watching her along with her boyfriend. The surveillance leads them either to ancient catacombs or to an abandoned cemetery... And while the girl is trying to find out something without a secret, her boyfriend confesses his love to Glikeria! Olya doesn’t want to know what the mysterious new girl will answer to this...