Unwilling to be separated from Mal, Alina hatches a plan to join him on a perilous expedition through the Fold. Kaz chases a lead on a lucrative job.

Alina's actions against the Volcra bring her to the attention of General Kirigan. Kaz runs into trouble while looking for safe passage across the Fold.

In the depths of the Fold, Kirigan demonstrates the scope of Alina's powers, while the Crows cross paths with a stowaway amid a do-or-die undertaking.

On the run and plagued by nightmares, Alina finds a moment of peace with Mal. Trouble awaits Kaz, Inej and Jesper upon their return to Ketterdam.

Forced into an impossible situation during her fight with Kirigan, Alina makes a fateful decision that alters her relationship with magic — and Mal.