Exposition The Narrator tells the reader that he has a disease and that the disease made their senses better and not worse. The Narrator claims to hear all things from Heaven, Earth, and Hell, the Narrator also tells the reader that he watches the old man sleep.
Plot The old man wakes up and is scared for no reason he believes, but the Narrator is planning to kill the Old Man because of his pale blue evil eye.
Rising Action The Narrator stuffs the Old Man's head between the matress and the bedframe and killed the Old Man by suffacation.
Mood The Narrator sets the mood by trying to prove to everyone that he isn't insane by coming up with a smart way to dispose of a body. The Narrator doesn't achieve anything but making the mood creepy. The Narrator is dismembering the Old Man in the bath tub to prove that he's not insane. The mood is suspenseful.
Suspense The cops knock at the door, and the Narrator is confident in his skills. He lets the cops in, and makes them sit in the same room the Old Man is in, and the Narrator sits above the Old Man.
Climax The Narrator feels so guilty that he believes that he can hear the Old Man's heartbeat again and thinks that the cops can hear it. He also thinks that the cops are mocking him. The Narrator is so guilt-ridden, that he confesses.
"Villains! dissemble no more! I admit the deed! --tear up the planks! here, here! --It is the beating of his hideous heart!"