-It is of certain lives as of these "dreams in equilibrium" that a single gesture, the slightest event, however commonplace they may be, may come to shatter. This is how Michele can not open the door that has foolishly closed on her, preventing her from helping her child who has just spilled a pot of boiling water on him. It is thus also that the city, which had been forgotten and watched over, with its judges and doctors, guarantors of public order, will intervene. Indeed, the parents, David and Michèle, brother and sister, "terrible children", that their house will not be enough to protect, will have to face this city which will tear them to each other following the trial which sends Michèle at the psychiatric hospital. Certainly, destiny is never so cruel that it overwhelms us without mercy.