Lyra Belacqua tries to prevent kidnapped children from becoming the subject of gruesome experiments, helps Will Parry search for his father, and finds that she and Will are caught in a battle between the forces of the Authority and those gathered by her uncle, Lord Asriel.
In nineteenth-century England, all is going well for rich, reclusive Mr Norell, who has regained some of the power of England's magicians from the past, until a rival magician, Jonathan Strange, appears and becomes Mr Norrell's pupil.