Podcast Summary:

Podcast: Choice Classic Radio Detectives | Old Time Radio
Episode: Boston Blackie: The Wentworth Diamonds (04/25/1945)
Date: December 20, 2025
Theme: A classic detective adventure featuring Boston Blackie, who must outwit a criminal mastermind’s plot to frame him for one of the city’s most notorious diamond robberies.

Episode Overview

This episode centers around the attempted theft of the famous Wentworth diamonds. Boston Blackie, notorious for being both a suspect and a sleuth, discovers a plot not only to steal the jewels but also to frame him for the crime – including the murder of two guards. Facing double jeopardy, Blackie must clear his name, uncover the true criminals, and restore justice, all while using quick wit and classic detective ingenuity.

Key Discussion Points & Insights

1. The Criminal Plot Unfolds

• Roger Farthing convenes with his gang, outlining a daring plan to steal the smaller stones (worth half a million dollars) from the Wentworth collection at the Manchester Museum, not the notorious main diamond.

• The real diamonds are held in national vaults, and will be transported by armored truck for a public display — that's when the heist is set to occur.

• Farthing details the roles: Adams leads the violent operation, guards will be "rendered unconscious" or killed, and a dozen hired gunmen ensure the operation’s brutality.

  • Notable Quote:
    “We shall acquire our revenue from the two dozen smaller stones... The other two [guards] will be guarding the Wentworth diamonds. They are to be killed.”
    — Roger Farthing (01:41–02:42)

2. Blackie is Framed

• The plan involves framing Boston Blackie:

  • A gang member will impersonate Blackie during the theft — even being called by name.

  • The central diamond will be planted in Blackie’s apartment, tipping police toward his guilt for both theft and murder.

  • Notable Quote:
    “He’ll be called Blackie several times during the holdup... and then to cinch it, they’re planting the big Wentworth diamond in Blackie’s apartment.”
    — Shorty (05:44–05:57)

3. Blackie Uncovers the Plot

• Blackie’s old pal Shorty warns him.

• Mary Wesley, his confidant, suggests he call Inspector Faraday or leave town. Blackie attempts to alert Faraday, but the Inspector won’t listen.

• Despite plans to lay low or leave the city, Blackie stubbornly chooses to stay and tries to devise an alibi with help from his friend Charlie Kingston.

  • Memorable Banter:
    “When I want somebody to laugh at me, I’ll tell jokes.”
    — Boston Blackie (06:11)

4. The Heist and Its Aftermath

• The heist occurs as planned. A gunfight ensues; the police and public believe Blackie is the culprit, with planted evidence appearing in his apartment.

• Faraday confronts Shorty and Mary in Blackie’s apartment after discovering the diamond.

• Blackie is arrested, accused of murder and theft.

  • Key Scene:
    Inspector Faraday: “Where’s Blackie? Where’s the Wentworth Diamond?”
    — (14:40–14:45)

5. Blackie's Counter-Move & The Reveal

• Despite appearances, Blackie asserts his innocence:

  • He engineers a phone call to the museum, revealing the real diamonds were never actually stolen — they're still on display.

  • The "stolen" diamonds at the heist were fakes; Blackie swapped them at the vaults with the help of his friend, using Lady Wentworth’s paste copies and an undercover operation with an armored car.

  • Blackie then planted the real stolen diamond on Roger Farthing, revealing Farthing as both thief and murderer.

  • Revealing Dialogue:
    “I switched them myself at the national vaults... Then Shorty and I got our own armored car, drove it to the delivery entrance... picked up the real diamonds from the real guards.”
    — Boston Blackie (24:27–25:21)

6. Resolution and Justice

• Farthing is caught with the missing diamond in his pocket.

• Inspector Faraday is forced to reconcile the reality that Blackie is not the culprit, and the "real" jewels are safe.

• Blackie’s ingenuity clears his name and secures the capture of the real villain.

  • Memorable Exchange:
    Farthing: “Brilliant. Absolutely brilliant.”
    Blackie: “Thanks. That’s a lot coming from you under the circumstances.”
    — (25:50–25:53)

7. Lighthearted Epilogue

• The episode ends with a flirtatious conversation between Blackie and Mary, hinting at romance:

  • Charming Closer:
    Mary: “Oh, I might like you to give me [an engagement ring] someday. Except… I’d never be quite sure just how you got it.”
    — (26:36–26:46)

Notable Quotes & Memorable Moments

• On framing Blackie:
  “So one of my associates is placing it [the diamond] in your apartment shortly after the robbery, then informing the police of its whereabouts.”
  — Roger Farthing (12:11)

• Blackie’s dry wit:
  “You want me on your side? Believe me, Farthing, you’d be more comfortable with acute appendicitis.”
  — Boston Blackie (12:31)

• On artistry & crime:
  “Does one great painter scoff at the work of another because the other’s artistry is superior to his own?”
  — Roger Farthing (25:56)

Key Timestamps for Important Segments

• [01:19–03:16] – Farthing and gang outline the heist and plan to frame Blackie
• [05:13–06:13] – Shorty alerts Blackie to the frame-up
• [06:42–07:04] – Blackie’s failed warning call to Inspector Faraday
• [12:44–13:11] – The heist occurs; two guards are killed
• [14:33–14:56] – Faraday finds the diamond in Blackie’s apartment
• [19:00–20:12] – Faraday accuses Blackie directly, but Blackie and Mary call the museum to prove his innocence
• [22:15–26:11] – Blackie confronts Farthing, revealing the trick and exonerating himself
• [26:26–26:46] – Romantic and humorous closing exchange with Mary

Tone & Style

The episode maintains a blend of fast-paced, suspenseful detective drama with Blackie’s trademark smooth, sly wit. The verbal sparring and wordplay between Blackie, Faraday, and the villains keep the tone lively amid the dangerous plot. Sharp humor and close camaraderie provide warmth even during the tense moments, while the caper’s resolution is classically clever and satisfying.

Summary

This Boston Blackie episode exemplifies golden-age radio detective drama: a tightly plotted heist, a clever frame-up, and a hero who turns the tables on his enemies through quick thinking and daring. Listeners will appreciate the intricate plot, snappy dialogue, and the way justice is ultimately served — with a sly wink and a romantic flourish.