Will and Lyra plan to steal the alethiometer from Boreal but are set back by an unforeseen guest. MacPhail takes decisive action, and Mary takes a leap of faith.

In search of the knife, Will and Lyra try to gain entry into the Torre Degli Angeli. Lee finds Grumman – or Jopari, as he is now known – and…

Lyra ignores the alethiometer, with dangerous consequences for her and Will. Lee Scoresby’s search for Grumman brings an unlikely ally, and the witches seek answers.