Athos 2643

In the year 2643, a murder on Neptune's moon Athos points to the monastery's AI as the culprit. Inquisitor Rüd Kartheiser, known for interrogating AIs, is assigned the case with his holographic assistant, Zack. Their investigation faces resistance from the monks, who seem to be hiding something. As another death occurs, Rüd realizes he must unlock Zack's full potential to solve the case.