In the bustling city-state of Castellan, aristocrats and the poor have one thing in common: a constant thirst for power, wealth, and thrills. Orphan Kel is cut off from his usual life. He will become the Swordcatcher the double heir to the throne, Prince Conor Aurelian .. Lin Custer is a doctor from a small community, whose members have magical abilities. But without access to forbidden knowledge, she cannot cure her best friend. A failed attempt on the prince brings Lin and Kel together. Now they are embroiled in a confrontation with the mysterious King of the Elders, the ruler of the criminal world of Castellan. Very soon, old secrets will be revealed, but is it worth paying for knowledge with betrayal? And will not their new discoveries plunge their nation into war, and the world into chaos?