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.

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 they take to the sky in search of the knife bearer.

Lyra and Will find allies who can help them in their search for Will’s father. The Magisterium learn something shocking, and Mrs Coulter meets a formidable foe.

As all paths converge on Cittàgazze, Lee is determined to fulfil his quest, whatever the cost. Mrs Coulter’s question is answered, and Will takes on his father’s mantle.