Podcast Summary: Five Minute Mysteries – "Knife in the Tree" (1947-12-22)

Podcast: Harold's Old Time Radio
Episode Date: January 28, 2026
Original Airdate: December 22, 1947
Host: Harolds Old Time Radio

Overview

This episode of Harold's Old Time Radio features the classic short-form drama "Five Minute Mysteries," specifically the suspenseful tale titled "Knife in the Tree." Set against the atmospheric backdrop of a Southern plantation surrounded by moss-covered trees, the story explores superstition, family conflict, and ultimately, murder, with a clever logical twist at its heart. The episode takes listeners through Inspector James's investigation into the alleged suicide of Henrietta, which uncovers a tangled web of jealousy, folklore, and deception.

Key Discussion Points & Story Breakdown

Setting and Premise (01:05 – 01:49)

• The episode opens at a gloomy, plantation house where Henrietta is found dead in a nearby room.
• Inspector James arrives to question Amelia Lamb, Henrietta's half-sister, about the circumstances of the apparent suicide.

Amelia's Story & The Voodoo Knife (01:49 – 03:16)

• Amelia Lamb claims:

  • Henrietta was driven to suicide by the psychological torment of Jonathan Ford, their third cousin and a co-manager of the plantation, who had died mysteriously five years prior.
  • Jonathan openly despised Henrietta. One night, Jonathan allegedly threatened her with a voodoo charm—a dagger procured from a local doctor.
  • Quote:
    • "Henrietta. This knife is going to kill you." – Jonathan (02:37)
    • "This knife's from a voodoo doctor. He guarantees the charm. Tonight, I'm going to plant this dagger in that live oak tree down near the crypt. And as the tree grows, [...] the knife will rise slowly until it reaches your height. And then you will die, Henrietta." – Jonathan (02:45–03:02)

• Superstition and Fear:

  • Jonathan promises that as the tree grows, the knife will "rise" to Henrietta's height and she will die.
  • Though Jonathan disappeared shortly after, Henrietta becomes obsessed and terrified by this curse, watching the tree and knife obsessively.

Inspector James's Doubt and Clues (03:16 – 03:59)

• Inspector James questions the validity of the voodoo tale, noting its roots in local superstition.

  • Quote:
    • "But such a thing's only superstition, Miss lad." – Inspector James (03:26)

• Amelia continues that Henrietta grew increasingly frightened as the knife "rose," seemingly fulfilling Jonathan's curse, eventually leading Henrietta to ingest arsenic.

  • Quote:
    • "Now you know why she killed herself." – Amelia (03:55)

• Inspector James's decisive moment:

  • Expresses disbelief at the story, telling Amelia they're going to headquarters for a confession.
  • Quote:
    • "What you asked me to believe is impossible. Get your wrap. I'm taking you to headquarters for a confession." – Inspector James (03:59)

The Solution: The Knife and the Tree (05:01 – 05:41)

• Under questioning, Amelia confesses to the murders of both Henrietta and Jonathan.

  • She had disposed of Jonathan’s body in a quicksand bog, making up the suicide and supernatural elements to cover her tracks.

• Logical Clue – Key Explanation:

  • Inspector James reveals:
    • The flaw in Amelia's story is botanical:
      • "A knife stuck into a tree always stays where you put it. For trees grow higher, not from their trunks, but from their tops." – Inspector James (05:25)
    • Thus, the knife would not move upward as the tree grows, exposing Amelia’s fabrication.

Notable Quotes & Memorable Moments

• "Henrietta. This knife is going to kill you [...] this knife's from a voodoo doctor." – Jonathan (02:37–02:45)
• "But such a thing's only superstition, Miss lad." – Inspector James (03:26)
• "What you asked me to believe is impossible. Get your wrap. I'm taking you to headquarters for a confession." – Inspector James (03:59)
• "A knife stuck into a tree always stays where you put it. For trees grow higher, not from their trunks, but from their tops." – Inspector James (05:25)

Important Timestamps

• 01:05 – Story introduction and setting the scene
• 01:49 – Inspector James begins questioning Amelia
• 02:37 – Jonathan’s ominous threat with the voodoo knife
• 03:26 – Inspector challenges the superstition
• 03:48 – Henrietta’s increasing terror leading up to her death
• 03:59 – Inspector James calls for a confession
• 05:03 – Amelia’s confession and the logical flaw is revealed

Tone and Style

True to the era’s radio drama style, the episode is thick with mood, suspense, and melodramatic dialogue. The narrative leans heavily on folklore, superstition, and rural mystery, but concludes with a clever appeal to logic and science by the astute Inspector James.

Summary

"Knife in the Tree" is a compact yet atmospheric mystery that uses the setting of the bayou, family intrigue, and local superstition as red herrings. The heart of the episode lies in using common sense and botanical knowledge to unravel a seemingly supernatural murder. This episode exemplifies how "Five Minute Mysteries" delivers both suspense and intellectual satisfaction in a bite-sized package.