The setting is 6th century Constantinople, under the reign of Justinian and Theodora

On the opening day of  Hagia Sophia, the new church commissioned by Justinian, Ioannis, the principal assistant of the architect is murdered. The main suspect is Theano, a young mathematician, former student in Plato’s Academy and close friend of the victim. Eutocius of Ascalone, editor of the works of Archimedes and Apollonius undertakes the research for the culprit.

Polis, 2019, 328 p.