Had no problems with your savegame, all the scene went fine, when this happens is not the problem of a variable or a switch not activating it probably it is bc you are using a mod that conflicts with the game, are you using firebanes mod with compressed version? they are not compatible.
Here is your savegame after that scene, but is no solution, try to download the vanilla (complete) 2.0 version without mods and use your own savegame to see the scene. I believe that firebane's mod is compatible with vanilla 2.0 so you could try in that case