Charlotte is out in the woods on her own one day when something mysterious happens - she walks along a row of stones laid like stepping stones on the forest floor .
She has somehow slipped back to 1955, and is now, in the same woods, on the site of a very unique school, an open-air school for sick city children..
Charlotte is out in the woods on her own one day when something mysterious happens - she walks along a row of stones laid like stepping stones on the forest floor