Partners in Crime · Chapter
XIII: The Unbreakable Alibi explained
Tommy and Tuppence take on the case of Mr.
What happens
Tommy and Tuppence take on the case of Mr. Montgomery Jones, who is in love with Una Drake but is troubled by a wager she made with him. Una bet that she could be in two places at once, and Montgomery Jones wants the detectives to uncover the truth. Tuppence deduces that Una has a twin sister, Vera, who arrived from Australia, allowing Una to appear in both London and Torquay simultaneously. The case is solved, and the couple celebrates their success.
Themes in this chapter
Deception and Trust
The entire case revolves around a deceptive alibi, and the trust between Montgomery Jones and Una Drake is tested.
Humor and Irony
The playful banter between Tommy and Tuppence, and the absurdity of the twin solution, add a lighthearted tone.
Marriage and Partnership
The case highlights the dynamics of Tommy and Tuppence's partnership, and the potential marriage of Montgomery Jones and Una Drake.
Characters to notice
- Tommy Beresford
Works as Mr. Blunt at the detective agency, handles the client interview and investigation.
- Tuppence Beresford
Acts as confidential secretary, solves the mystery by deducing the twin sister solution.
- Montgomery Jones
New client who seeks help with a wager involving Una Drake's alibi.
- Albert
Office boy who announces Mr. Montgomery Jones.
- Una Drake
The subject of the investigation; her twin sister is the key to the alibi.
Key passages
“I have done it, Tommy. I have solved the mystery of the alibi.”
Tuppence announces she has cracked the case.
Tuppence reveals her successful deduction.
“A perfectly simple one,” said Tuppence. “ Twins. ””
The solution is that Una has a twin sister.
The key to the unbreakable alibi.
“It is not a really satisfactory solution,” said Tuppence. “Not the ingenious sort of flaw that Inspector French would have detected.””
Tuppence feels the solution is too simple compared to fictional detectives.
A humorous nod to detective fiction.