If you’re living in this valley, you cannot leave. It is surrounded by a high fence which is guarded day and night.
On either side of the Valley there are other valleys with a city exactly alike. If you would get to the eastern it is 20 years after now and in the western Valley, its 20 years before now.
It you want to visit another valley to watch family you have lost you have to writhe a request; it is mostly denied.
Our heroin spots visitors from another Valley and recognizes them as the Parents of a classmate. She realizes that he will probably die soon….
It is a story about friendship, first love, loss and time travel.