Saba Vasili, a scholar of the astral sea, faces a harrowing accusation: an arcane device he designed has malfunctioned and an entire district of the city has been obliterated and a foreign dignitary has been killed. Charged with murder, Saba is incarcerated on the orders of Byrengrad's ruling council, the Triad. Ambassador Luan Zek of the Rezwyn Empire is dispatched to take custody of the alleged murderer of his countryman. But seeing Saba's pathetic state, Zek questions whether Saba is truly guilty or only the Triad's scapegoat. With Byrengrad's fate in the balance, Saba and Zek must uncover the truth behind the arcane catastrophe and stop the malfunctioning device that is jeopardizing the fabric of their whole world.