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The Red House Mystery · Chapter

XVI: Getting Ready for the Night explained

Antony and Bill discuss their theories about the murder, concluding that Cayley likely killed Mark in a sudden passion and hid his body in the secret passage.

What happens

Antony and Bill discuss their theories about the murder, concluding that Cayley likely killed Mark in a sudden passion and hid his body in the secret passage. They plan to secretly observe the pond that night, expecting Cayley to dispose of the body. They devise a scheme to avoid detection, including creating dummy figures in their beds and exiting through a window.

Themes in this chapter

  • Deception and Identity

    Antony and Bill plan to deceive Cayley by creating dummy figures and sneaking out, while Cayley himself is suspected of deceiving everyone about Mark's fate.

  • The Amateur Detective

    Antony and Bill take on the role of amateur detectives, developing theories and planning a covert operation to uncover the truth.

  • Secrecy and Family Dysfunction

    The Ablett family's secrets and violent conflicts (Mark, Robert, Cayley) drive the plot, with hidden bodies and concealed motives.

Characters to notice

  • Antony Gillingham

    Develops and shares his theory that Cayley killed Mark and plans to hide the body in the pond; orchestrates the night's surveillance plan.

  • Bill Beverley

    Listens to Antony's theory, agrees to the plan, and offers to create a dummy figure in his bed.

  • Matthew Cayley

    Is the subject of Antony's theory; suspected of killing Mark and planning to dispose of the body; interacts with Bill and Antony in the hall.

  • Mark Ablett

    Believed by Antony to be dead, his body hidden in the secret passage.

  • Robert Ablett

    His death is a known fact; Antony's theory involves Cayley using Robert's arrival to frame Mark.

  • Elsie

    Mentioned as the only evidence that Mark was in the office, having heard his voice.

Key passages

  • Antony’s theory, and save for an occasional “By Jove!” had listened in silence. “Smart man, Cayley,” had been his only comment at the end.

    Bill listened quietly to Antony's theory, only occasionally exclaiming 'By Jove!', and finally remarked that Cayley was clever.

    Bill's reaction shows his admiration for Cayley's cunning, despite the grim theory.

  • “I think that Mark’s dead body is in the passage now, and has been there since, say, half-past two yesterday afternoon. And tonight Cayley is going to hide it in the pond.”

    Antony believes Mark's body has been hidden in the secret passage since yesterday afternoon and that Cayley plans to move it to the pond tonight.

    This is the core of Antony's deduction, setting up the night's action.

  • “Let’s look at it from Cayley’s point of view,” said Antony. “He may not know that we’re on his track, but he can’t help being suspicious of us.”

    Antony suggests they consider Cayley's perspective, noting that even if Cayley isn't sure they suspect him, he will be wary of them.

    Antony's strategic thinking highlights the cat-and-mouse dynamic.

  • “I shan’t be there. I shall be at the bottom of the pond, sucking up mud.”

    Bill jokes that he will be underwater in the pond, implying he will be diving to retrieve whatever Cayley drops.

    Bill's humor lightens the tense planning.