In 1793, Hanno Stiffeniis travels to Konigsberg to seek advice from Immanuel Kant. Whatever was said at that private meeting, it changed both their lives. Shortly afterwards, a close friend of the philosopher extracts a promise from the young man: never to return to Konigsberg. But ten years later, having become a magistrate, Stiffeniis is ordered to return there by the King. He must investigate a