In the world of the mulefa, Mary makes a heartbreaking discovery. Lyra and Will journey through the Land of the Dead in search of Roger, encountering ghosts who hide in the darkness, terrified of the creatures who fly above. At the Magisterium, an imprisoned Mrs Coulter tries to bring Dr Cooper on side. As Lyra and Will find Roger and vow to liberate the ghosts from their torment, Mrs Coulter puts her life on the line to thwart MacPhail. But can she stop him in time?
