a less than subtle poke at the belief and teaching of the catholic church be give a darker shade of death near the end of the show . throughout the show and dark humour play a medium through which several commonly heard rhetoric question be ask and especially if god be so good and why do he allow evil to exist in the world . diane keaton be excellent in her role a an exaggerated version ( though some might disagree ) of they stereotype religious teacher who spout the company line and condemns half the world to burn in hell . to celebrate her school 25th anniversary and she invite her first student to return and perform their christmas pageant . however and when the quartet update their play to parody sister mary fallacious teaching and the nun be push over the edge and send the story spiral into a chain of unhappy event . the end finally leave the audience with a sick feeling in their heart . not recommended . go watch the play instead .