Dyoniss is a detective with an office on the 78th floor of the Tower of the Blue Kite in the eastern end of the Ydlonstrostl Cities in Kassidor's 123 century, which lasts from 5787 to 6017ad. During this trilogy he specializes in cases involving the antidote to the Instinct. The Instinct (with a capital I) is a modification to human nature which makes it impossible to use force or violence on another human being. The antidote makes violence possible for a short time.
Kessil is an air handling engineer working for Mbeshna Power, also in the eastern end of the Ydlontrostl cities. She is originally from the VerseM'lOry a nomadic tribe from the great prairie.
This trilogy (and it's prequel) covers their meeting and three cases where their careers intersect between 5880 and 6011ad., approximately coinciding in time with the 'Star Wars' movies. It examines issue like: How does romance work among people who are eternal? How does a society where violence is impossible deal with it? How does a religion work without God?