The thin floors in the bedroom reveal the sound of the old man’s heart.
Explanation:
The narrator who is the servant at the old mans place wants to get rid of the evil eye ,so he plans to kill the old man,the night is quite and dark -so the darkness helps in building the suspense and adding fear to the whole scene.
When the police arrives at the crime scene the plot of the story shifts to the old mans bedroom where the thin floors of the bedroom revels the sound of the old mans heart.The narrator begins to sense that he can hear the heart of the old man beating beneath the floor as he tries to calmly serve tea to the officers.
