The Scarecrow has returned to Gotham City, but he's no longer the meek punching bag Batman is used to. The villainous genius has always preyed on the worst fears of his victims, but has refined his legendary fear toxin to even greater effectiveness and deadlier consequences. As the Scarecrow's origin is unfurled, Batman must find out not only how to conquer this dangerous psychopath, but how to beat his own worst fear.