Clothing heart. The girl is out of nowhere

No one knows where the new one came from in the gymnasium - Varya Chudarina, a girl surrounded by riddles.
The sky behind school windows smoking pipes, steel zeppelins slide among the clouds. The streets go through the streets in black uniforms of the guardians.
Varia has a dangerous secret, because of which she has to be afraid. To be afraid of everything: every knock on the door and every figure on the street. Everything seems to be hopeless. But she finds an unexpected friend in the gymnasium and goes with him in search of terrible secrets.
Where did her dad disappear? What does the master hide behind the walls of his tower? And what if the most important Varina Secret is hidden inside her itself?