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The Sea Mystery · Chapter

Dartmoor explained

Inspector French consults Sergeant Daw about the disappearance of Berlyn and Pyke, investigates the abandoned car, and tests the breakdown theory by driving the same route across Dartmoor.

What happens

Inspector French consults Sergeant Daw about the disappearance of Berlyn and Pyke, investigates the abandoned car, and tests the breakdown theory by driving the same route across Dartmoor. He also interviews Colonel Domlio and examines the scene where the car was found.

Themes in this chapter

  • Murder and Investigation

    French systematically investigates the disappearance of Berlyn and Pyke, testing the breakdown theory and examining the car.

  • Deception and Secrecy

    The possibility that the car breakdown was faked to cover a murder is explored.

  • Nature and Environment

    The Dartmoor landscape, with its bogs and remote terrain, plays a key role in the mystery.

Characters to notice

  • Inspector French

    Consults Sergeant Daw, investigates the car and the moor, tests the breakdown theory.

  • Sergeant Daw

    Assists French, recounts the night of the disappearance, and accompanies him on the drive.

  • Colonel Domlio

    Mentioned as the owner of the Veda Company and a reclusive insect collector; French interviews him.

  • Makepeace

    Garage owner who bought Berlyn's car; French and Daw visit him to inspect the vehicle.

  • Mrs. Berlyn

    Mentioned as having sold the car to Makepeace after her husband's disappearance.

  • Mr. Berlyn

    One of the missing men; his disappearance is central to the investigation.

Key passages

  • French saw that in order to get the information he required he must confide in someone who knew the locality.

    French realized he needed to trust a local informant to gather the necessary details.

    French decides to consult Sergeant Daw for local knowledge.

  • If the breakdown was genuine the affair was an accident, but if it was faked—why, then we are on to a murder.

    The case hinges on whether the car trouble was real or staged; if staged, it points to murder.

    French explains the core of his theory to Daw.

  • What if one murdered the other?

    French suggests that one of the missing men may have killed the other.

    French proposes a possible murder scenario.

  • A promising theory had gone west and he was left as far from a solution of his problem as when he took it up.

    A hopeful lead had failed, leaving French no closer to solving the case.

    French's frustration after the theory collapses.