In a distant world, there are five glorious cities governed by beautiful creatures; everyone bestowed incredible magical gifts by the rulers.
Olen, The City Of The White Stag, are messengers from the earth, carrying whispers from the earth, air and sky, Fenik, The City Of The Phoenix; hold the power of living and death of animals and plants, willing them back to life with the power of the sun, Orel, The City Of the Eagle; see into the past every time they close their eyes, unravelling mysteries from a land long ago. Yedin; The City Of The Unicorn, are gifted alchemists, turning gold into bronze, and bronze into silver.
The most feared and glorious city of them all is Zey; The City Of The Serpent, skilled hypnotists and able to stop death with a single touch.
Annalise, a nineteen year old girl from Fenik, The City Of The Phoenix; still awaits her power of the sun, and so relies on meager enchantments and incantations to do her magic. Her twin sister Leisl, persuades her to venture out to one of the most elegant parties in all the city, hosted by one of the most powerful and revered Sun Callers in Fenik - Seraphina.
Annalise discovers something much more than she ever anticipates when she follows a mysterious figure through the halls of the elegant ballroom, where she watches him command snakes to do his bidding. After suffering from a fit of strange seizures and dreams after meeting this ellusive snake charmer, she is determined to find him, and to discover his true identity.
With this discovery of this enigmatic man at the forefront of her mind, and rumors of war threatening to destroy magic and machines alike, Annalise begins an incredible and dark journey that will lead her across the cities, and discover frightening secrets that will change the future of the world and her fate as she knows it.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.