Exposition: The madman is telling the story to the reader while claiming that he is not insane.
Conflict: The madman wants the old man dead due to his eye.
Rising Action: The madmanpeeked through the old man's house door silently for seven nights, but was unable to kill him because his eyes were closed.
Climax: The madman, as he saw the old man's eye and heard his tremendous heart beat, could not resist himself. He through the old man to the ground and pulled his bed over him, thus killing him.
Falling Action: The madman chops the corpse in pieces and hides it beneath the wooden floor of the old man's house.
Resolution: The next morning, the cops come in to see what happened, the madman easily made him believe that he was innocent. Later in the conversation, the madman heard a strong, annoying heartbeat; this made him crazy and confessed that he was the murderer.