The story takes place at the house of the old man, the narrator is vexed by the old mans eye.
The butler decides to kill him because he doesnt like his eye.
He decides to watch the old man and watches him for 7 nights in a row.
On the eigth night the butler makes a noise that wakes the old man. The old man tries to comfort himself but nothing works. The butler sees the vexing eye and suffocates him with the mattress and dimembers his body.
The police show up to see what happened. The butler invites them in the house for some tea.
The butler confesses to the police because of his guilty conscious. He then shows them where he put the old mans body.