As you can see, multiple officials are wearing royal clothes. A priest is begging for food while a "peasant" is cleaning the walls in the background.
The Third Estate gathers with few officials from the second to sign a declaration which is influenced by this oath. The Declaration of Right of Man will be the barrier that is lifted from the seemingly dying society.
Guards come to take an activist leader to the guillotine. They threaten other lower denizens with the penalty as well. A mother is crying and bawling her eyes out. She will come to play in the story later