The Patient in Room 18 · Chapter
XVIII: O’Leary Revises His Story explained
In the aftermath of the resolution, O'Leary explains his strategy to trap Dr.
What happens
In the aftermath of the resolution, O'Leary explains his strategy to trap Dr. Balman, revealing that Balman was the true culprit behind Dr. Letheny's murder and the theft of the radium. The chapter concludes with the fates of the characters: Balman dies from an infection, Corole and Hajek disappear, Maida and Jim leave for Russia, and Miss Keate remains at St. Ann's, haunted by Room 18.
Themes in this chapter
Truth and Justice
O'Leary's methodical unveiling of Balman's guilt and the eventual confession underscore the theme of justice prevailing.
Greed and Moral Corruption
Balman's desire for radium and money leads him to murder, illustrating moral decay in a respected professional.
Secrecy and Suspicion
O'Leary's hidden trap and the characters' concealed motives drive the chapter's tension.
Characters to notice
- Lance O'Leary
Explains his detective work and the trap set for Dr. Balman; shows weariness and regret over Balman's downfall.
- Sarah Keate
Narrates the final events; reflects on the resolution and her lingering feelings about Room 18.
- Maida Day
Present during O'Leary's explanation; leaves for Russia with Jim Gainsay after the events.
- Jim Gainsay
Admits his meddling and his concern for Maida; leaves for Russia with her.
- Dr. Balman
Revealed as the murderer and radium thief; dies later from an infection in his bruise.
- Corole Letheny
Disappears with Hajek; later rumored to be seen at a European gambling resort.
Key passages
“He knew his own guilt and hence would try to appear innocent. He was bewildered, too, and was never a practical, quick-thinking man. It was a chance but not a risk.”
O'Leary explains that Balman's guilty conscience would compel him to speak, trying to seem innocent, and that his lack of quick thinking made the trap a calculated gamble.
O'Leary justifies his psychological strategy to Miss Keate.
“Dr. Balman has actually given his life—mistakenly of course, for his science. He wanted the radium, he needed the money it would bring. For the rest he was, as much as anything, a victim of circumstance. It is a sad thing—yet just.”
O'Leary reflects that Balman sacrificed his career and life for science and money, but justice was still served.
O'Leary's conflicted feelings about Balman's downfall.
“I had actually removed the radium at once and substituted a dummy box. I expected Balman would try to secure it in the dark of night and hoped to catch him red-handed.”
O'Leary reveals he swapped the real radium for a fake to lure Balman into a trap.
Key detail of O'Leary's plan.