By Kiva Reardon With Robert Lepage and Pedro Pires’ Triptych, you get three terrible films for the price of one. Composed in a tripartite structure, the film follows Michelle (Lise Castonguay), a schizophrenic second-hand bookshop owner who hears voices and self-harms with a rosary; Thomas (Hans Piesbergen), a brain surgeon with an unsteady hand which…