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The Mystery of the Yellow Room · Chapter

XXIII: The Double Scent explained

Rouletabille and Sainclair investigate new footprints found around the château, leading them to Daddy Jacques, who confesses to following a mysterious 'black phantom' at night.

What happens

Rouletabille and Sainclair investigate new footprints found around the château, leading them to Daddy Jacques, who confesses to following a mysterious 'black phantom' at night. Rouletabille confronts Jacques, suggesting he walked arm-in-arm with the phantom, and later questions Larsan about a possible accomplice.

Themes in this chapter

  • Secrecy and Silence

    Daddy Jacques conceals his nighttime activities and only confesses under pressure, highlighting the theme of hidden truths.

  • Fear and Paranoia

    Jacques's terror of the black phantom and the atmosphere of suspicion pervade the chapter.

Characters to notice

  • Joseph Rouletabille

    Leads the investigation, discovers two sets of footprints, and confronts Daddy Jacques about the black phantom.

  • Sainclair

    Narrator who accompanies Rouletabille and listens to his account of the night's discoveries.

  • Frédéric Larsan

    Joins Rouletabille in tracking footprints and questioning Daddy Jacques; expresses uncertainty about an accomplice.

  • Daddy Jacques

    Confesses to following the black phantom at night, but denies walking with it; his clothes are wet and muddy.

  • Mademoiselle Stangerson

    Mentioned as being in a critical but not desperate condition after the recent attack.

Key passages

  • I had hardly recovered from the surprise into which this new discovery had plunged me, when Rouletabille touched me on the shoulder and asked me to follow him into his room.

    Before I could process the shocking new finding, Rouletabille tapped my shoulder and invited me to his room.

    Sets the scene for Rouletabille's methodical approach to reflection.

  • ‘Daddy Jacques,’ I said, in a threatening voice, ‘you did not follow it; you and the phantom walked to Epinay together⁠—arm in arm!’

    Rouletabille accused Daddy Jacques of walking side by side with the phantom rather than merely chasing it.

    Key moment of confrontation revealing Rouletabille's suspicion of collusion.