Remarkably astute film. Starts off as a comedy of manners and quickly evolves into an uncompromising glance into the mechanics of class and culture. It preceded "O Som ao Redor" in its acid evaluation of the operating procedures of the overprivileged in contemporary South America. By the end, the theorem doesn't hold up and the shots lose their initial strength. I still like it a lot though.
What I particularly liked about this film was its capability to have mildly experimental moments which don't spoil the narration: I'm thinking especially of the random shots of an apparently non-diegetic labyrinth (when Spregelburd is on msn), or the bizarre finger dance by Aráoz. I found its ironic humour quite effective. The characters are very well developped; Spregelburd and Aráoz are terrific actors.