In the theater, the "fourth wall" is the wall between the actors and the audience. Behind this wall, the world of the actors is exactly as the audience imagines it. The good guys and the bad guysall fit within the story being told. If the fourth wall is "broken" the audience is directly acknowledged-the spell is broken. Once broken, the fourth wall is hard to reconstruct and the audience may not be happy. Think of Jean Valjean in Les Miserables during first act, turning to the audience and speaking in a normal, loud Brooklyn accent, "Yo, couldja get off the cell phone?