The second book in the Dawnguard series is a continuation of the unusual story about three brothers living in a world located between heaven and earth. A number of mysterious incidents occur in Etheriol. Cursed treasures stolen from forbidden territories promise terrible troubles, apostates increasingly encounter warriors of Dawn and Dusk, and intrigues are woven in the dark Graderon that threaten the death of little Demian. To prevent tragedy, Balian, Christian and Euan must face a treacherous foe and confront ancient curses. But will the separated brothers be able to unite again and deal with the dangers that befall Etheriol and themselves?