Dark myths, medieval secrets, intrigue, and romance populate the web pages of this 1st inside a four-book teenage series from the #1 bestselling author of The Additional Boleyn Girl.

The year is 1453 and everything signs point to it being the end of the world. Accused of heresy and expelled from his monastery, handsome seventeen-year-old Luca Vero is usually recruited with a incomprehensible stranger to record the end of that time period across Europe. Commanded by sealed orders, Luca can be sent to map the worries of Christendom and travel to about Changeling the frontier of good and evil.

Seventeen-year-old Isolde, a Lady Abbess, is stuck inside a nunnery to prevent her from claiming her rich inheritance. As the nuns in her treatment are powered mad by unusual visions, walking in their sleep, and showing bleeding wounds, Luca is normally sent to investigate and powered to accuse her.

Forced to face the greatest worries of the dark ages-witchcraft, werewolves, madness-Luca and Isolde go on a seek out truth, their own destinies, and even love because they consider the unknown ways to the true historical number who defends the boundaries of Christendom and keeps the secrets from the Order of Darkness.