Ten-year-old best friends, Nathan and Adam, really liked Joe. He was their friend, an artist, the man they spoke to through the wire fence of the lunatic asylum.
But something happened behind those walls, in those rooms, on the grounds, at the river. Joe sketched it all — fine lines, truth in the negative space, truth in the pencil strokes. And then, he was gone.
Twenty years later, Nathan and Adam receive a letter. But can they find what's hiding between the lines?