'There's another world in there.''We could float in and out of it.'Deep in a Derbyshire valley live two girls, twins, so alike that even their family can't tell them apart. New characters enter their lives and desires, love and grief come to the surface.

'There's another world in there.''We could float in and out of it.'Deep in a Derbyshire valley live two girls, twins, so alike that even their family can't tell them apart. New characters enter their lives and desires, love and grief come to the surface.