What is the falling action of the O'Connor story Revelation?

In the falling action of Flannery O'Connor's story "Revelation," Mrs. Turpin has a vision in which she sees people of different races and classes marching to Heaven, and she experiences a moment of spiritual enlightenment. This revelation prompts her reflection on her own prejudices and assumptions, leading her to realize the depth of her own sins and the need for humility and grace.