Three centuries ago, a king nicknamed the Tyrant came to power in Renovia. He created a powerful army and ordered his warriors to collect all the knowledge about forbidden magic. The knowledge gained was called the Deyan Scrolls. Capable of giving unlimited power, they carried a mortal danger to the world. Nineteen-year-old Caledon Holt is the most experienced assassin in the queen’s service. Bound by a blood oath, he must find the scrolls that disappeared without a trace after the overthrow of the Tyrant. An eighteen-year-old girl named Shadow trained hard since childhood to become an assassin. They met to unravel a sophisticated web of lies and secrets and save their kingdom.