On December 6, 1989, Marc Lépine walked into Montreal's École Polytechnique and shot 14 young women to death. The massacre shocked the world. Questions about Lépine and his motives were difficult to answer. A profile of Marc Lépine traces his upbringing and other factors that shaped his distorted world in an effort to provide some explanation for his heinous crime. Legacy of Pain also looks at the aftermath from a number of perspectives, starting with the families of the murdered women.