Blatt Meister Ascheriit was slain by his allies and was branded a traitor. Now, 20 years later, he is back with a new name, Köinzell, and a thirst for vengeance. Köinzell arrives at the border wall, Thousand Stonespears, at the Border City of Rielde-Velem. Here, he sets about infiltrating an underground monastery of corrupt monks.

The story of a lower-class ninja assigned to a high-class mission.