Silent Light (2007)

Johan (Cornelio Wall Fehr), a Mennonite living in Mexico, is tormented with guilt over his extramarital affair with Marianne (Maria Pankratz). His father (Peter Wall), best friend (Jacobo Klassen) and wife (Miriam Toews) know the truth, but Johan's suffering has to do with his faith, which he can't reconcile with his deeds.