The theme of "The Tell-Tale Heart", a gothic fiction story by Edgar Allan Poe is don't commit a crime because, in the end , the guilty conscience may expose you. In paragraph 18, it tells "Villains!" I shrieked, "dissemble no more! I admit the deed!- tear up the planks!-here, here!-it is the beating of his hideous heart!" This shows that the narrator couldn't handle the guilt of killing the old man and is hearing things that aren't there like the beating of the old man's heart. He thinks the only way to stop the sound of the beating heart is to tell the cops that he killed the old man. So, he exposes himself to to his guilty conscience and wants everything haunting him to stop.
In the exposition, the narrator starts telling the reading why they think he is mad while also saying he isn't crazy.
The narrator explains that he wants kill the old man because he has an eye that is kind of like a vulture's eye that creeps him out.
Every night the narrator came into the old man's room and looked at his eye with a little light.
One night the narrator attacked the old man killing him due to the narrator hearing his heartbeat making him panic. The narrator then puts the old man under the floor of the room he killed him in.
Policemen come to the house the narrator was in because someone heard a loud scream and want to investigate the place. The narrator tells that the he was the one that screamed and the old man left to go somewhere.
The narrator tells the police that he killed the old man and that he buried the body under the floor because he starts hearing the beating of the old man's heart.