![The Secret Adversary](https://image.chilimovie.com/public/en/300px/20210128/jwWinzok3UrztPfNKKW5zksTS35.jpg)
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After a chance meeting and an indiscreet conversation, childhood friends Tommy Beresford and Tuppence Cowley become involved in a convoluted intrigue led by a mysterious man known simply as Mr. Brown.