Agree with the plot summation except for one little point -- backed up by Patrick Bauchau's reflections at LACMA last night -- that the breathe of the dialogue was a bit much...Could not take my eyes off the stunning Haydee Pollitoff. Patrick Bauchau wasn't ugly, either. Even now, he's aged quite well.
This is one of those films that take root on you like some sick child, it will affect you if you don't take the child to see a doctor. I watched this and wondered heavily what was the point and I see that it was mostly a game of theories. Who had the right theory and who will come out stronger, who will overcome and why is this so. There is a larger question mark here than in any other Rohmer film, but still, there is a point, a wonderful point at that.