Polytechnique is a 2009 Canadian drama film directed by Denis Villeneuve and written by Villeneuve and Jacques Davidts. Starring Maxim Gaudette, Sebastien Huberdeau, and Karine Vanasse, the film is based on the 1989 École Polytechnique massacre (also known as the "Montreal Massacre") and re-enacts the events of the incident through the eyes of two students (Huberdeau and Vanasse) who witness a gunman (Gaudette) murder fourteen young women.