Inna considers herself successful: she, a former pupil of an orphanage, has her own apartment, a prestigious job, and besides, she received a long-awaited promotion. On the May holidays, Inna goes to see a friend, but confuses the buses and ends up in Starye instead of Svetlye Polyany. The place is remote and even scary, the town is almost abandoned, buses do not run every day. Trying to get out of there, Inna wanders the streets in search of a taxi, stands up for a boy who is being beaten by his father, gets hit on the head and loses consciousness. The girl comes to her senses already at the station of her hometown, not understanding how she got here, and discovering that when She has no money, no documents, no bag. But that's not all! It turns out that she was absent for an inexplicably long time, and Starye Polyany has not existed for many years... Inna is trying to figure out what happened to her, and realizes that she will have to return to the mysterious ghost town for answers.