The plot introduces us to a psychologist who suggests to three couples that they engage in a group session, where they will have to analyse each other without her being present. In order to do so, she has left them a number of envelopes containing instructions on the things they have to address. The method she has proposed encourages everyone to share their opinions, argue with each other and reveal their true selves. They are all public prosecutors and defence lawyers; they all interrogate one another, confess, lay themselves bare emotionally, regret the things they have said and toy wit...