"In these opening lines, the reader is presented with a narrator who wants to kill the old man because of his eye. The author uses the lines to present a CHARACTER VERSUS SELF conflict. Based on this excerpt, this stage of the plot is most likely to occur in THE CLIMAX.
All of this because the idea entered in the man´s mind and haunted him day and night, that´s when the conflict with himself started.
And the exposition of the "Tell tale" is when the narrator insists that he´s not insane. The rising action is when he is gathering the courage to kill the old man. The climax is when he kills the old man. And the falling action is when the narrator hears the old man´s heart beating.
