The exposition of the story is the narrator is not mad. The narartor is just nervous and diseased, but can tell us the story calmly. The narrator wanted to kill the old man because of his "vulture eye".
Narrator wants to prove sanity.The narrator is kind for a whole week..At 12, the narrator would look in on the old man.The narrator opened the lantern see if the eye was open.The narrator asked the old man how he slept. On the eight night the narrator wakes the old man and continues into his room and their is a 1 hour standoff, the narrator is in the room and the old man is sitting up. The author gives reader clues of through the use of foreshadowing (the dead hour of night) and personification ( death and approaching had stalked with his black shadow).
On the eight night the narrator wakes the old man and continues into the room. Their is a 1 hour standoff in the room an the old man is sitting up in his bed. The narrator opens his lantern and see's the old man's eye is open. The narrator hears a low, dull quick sound and thinks its the old man's heartbeat. The narrator thinks the heartbeat is getting louder. The narrator has new anxiety that the sound would be heard by neighbor.
I DID IT I KILLED THE OLD MAN!!!!!!
On the eighth night the suspense reaches it's highest point. The internal conflict within the antagonist leads him to kill the old man. The climax is that the narrator smothers the old man with a mattress on the eight night.
The narrator dismembers the body and hides it under the floorboards. The police arrive because a neighbor heard a shriek. The police search and the narrator invites them in to sit . The narrator sits on a chair which is on top of the body and he starts to think he is hearing the old man's heart beat. As the narrator flips out more the sounds gets louder.
The narrator confesses to the murder because he can't stand the sound of the heartbeat which symbolizes his guilt. His internal conflict finally got the best of him.