At Oxford University, a professor and a grad student work together to try and stop a potential series of murders seemingly linked by mathematical symbols.
Martin
Arthur Seldom
Lorna
Beth
Inspector Petersen
Kalman
Yuri Podorov
Frank
Julia Eagleton
Ludwig Wittgenstein
Newscaster
Scott
Policeman
Mr. Higgins
Howard Green's Wife
Howard Green
Doctor
Defense Lawyer
Professor in Lecture