A lonely criminology professor attempts to solve the mystery behind five murders by decoding the puzzle of five Pythagorean theorems, in a crime story that features renowned French actor François Cluzet in a key-role.

Pigmalion Dadakaridisas Professor Dimitris Lainis
Dimitris Katalifosas Aristotelis Adamantinos
Manos Vakousisas Apostolos Barassopoulos
Ioanna Kolliopoulouas Sofia
Kora Karvounias Danai
François Cluzetas Marcel de Chaffe
Vassilis Risvasas Coroner
Giorgos Chrysostomouas Manthos Kozoros
Anna Kalaitzidouas Kleio Rapti
Antonis Antoniouas Efthymiou's Father