The Murder of Roger Ackroyd · Chapter
And Nothing but the Truth explained
Poirot confronts Dr.
What happens
Poirot confronts Dr. Sheppard with the full truth of the murder, revealing how Sheppard killed Roger Ackroyd and manipulated the timeline. Poirot explains the discrepancies in time, the use of a dictaphone for an alibi, and the blackmail of Mrs. Ferrars. He offers Sheppard a way out for the sake of his sister, suggesting he finish his manuscript with full honesty.
Themes in this chapter
Deception and Appearance vs. Reality
Poirot exposes how Sheppard's respectable facade as a doctor concealed his role as blackmailer and murderer.
Unreliable Narration and Perspective
The chapter reveals that Sheppard's own narrative has been deliberately misleading, hiding his guilt.
Secrecy and Blackmail
Sheppard's blackmail of Mrs. Ferrars is uncovered as the motive for the murder.
Characters to notice
- Dr. Sheppard
Confronted by Poirot as the murderer; reveals his motives and methods.
- Hercule Poirot
Lays out the complete solution to the crime, demonstrating his deductive prowess.
- Roger Ackroyd
Victim; his murder is the central event being explained.
- Caroline Sheppard
Mentioned as the reason Poirot offers Sheppard a chance to avoid public disgrace.
- Ralph Paton
Cleared of suspicion by Poirot's revelation.
- Mrs. Ferrars
Revealed as the victim of Sheppard's blackmail, leading to her suicide.
Key passages
“It was a clever idea... The call was genuine. Your sister saw you take it. But there was only one man's word as to what was actually said—your own!”
Poirot explains that the phone call was real, but only Sheppard knew what was really said, making it a clever alibi.
Poirot deconstructs Sheppard's alibi involving the telephone call.
“I should suggest that you finish that very interesting manuscript of yours—but abandoning your former reticence.”
Poirot advises Sheppard to complete his account of the case, but this time telling the full truth.
Poirot offers Sheppard a chance to confess through his own writing.
“It was the little discrepancy in time that first drew my attention to you—right at the beginning.”
Poirot says the first clue was the timing mismatch between Sheppard's walk from the lodge to the house.
Poirot reveals the initial clue that led him to suspect Sheppard.