Alek discovers the reason he is being pursued. Against Volger's warning, he leaves to help the Leviathan crew and rescues Sharp, who remains skeptical of his royal claims.
With the Clanker forces hot on their tail, the wounded Leviathan needs a miracle to get off the ground. Alek makes an offer the Darwinists cannot refuse.
The Leviathan encounters a deadly Clanker weapon on its journey towards Istanbul. Upon arriving in the city, Alek and his comrades make plans to escape.
Deryn and Dr. Barlow finally meet the Sultan, hoping to smooth things over with a rare gift. Meanwhile, a mysterious girl saves Alek from a German patrol.
A patrol jeopardizes the British secret operation, forcing Deryn to flee into Istanbul's streets. Alek commits himself to the revolutionary army's cause.
On the day of the coup, Alek urges Klopp to leave for his safety. Later, unexpected news forces the revolutionaries to act before the Behemoth arrives.
Tesla issues a deadly ultimatum as a last resort. Can Deryn and Alek, stuck on opposing sides, prevent the conflict from escalating before it's too late?
