> ## Content Index
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# Agatha Christie's The Secret Adversary
- URL: https://www.cascadepbs.org/show/agatha-christies-the-secret-adversary/
- Published: 2025-09-12T19:05:06.000Z
- Updated: 2026-11-12T22:38:01.000Z
- Description: Old friends Tommy and Tuppence resolve to become investigators for hire.
- Author: Cascade PBS Staff
- Tags: Agatha Christie's The Secret Adversary, #show, #ZZZ_Show_1032b03d-408d-4ac7-96f7-c170c02c4c63, #showpage, #movie_show, #v1.26

Old friends Tommy Beresford and Tuppence Cowley are short on money and resolve to become investigators for hire. But what starts as a straightforward gig quickly spirals into a dangerous situation as they become embroiled in a missing treaty and a Bolshevik conspiracy.