THE SECRET ADVERSARY

The Mysterious Mr. Brown "(in English:" The Secret Adversary ") is a novel by the British writer Agatha Christie written in 1922 and in which the characters of Tommy and Tuppence Beresford appear for the first time. Argument The search for secret documents written during World War I that were lost in the wreck of the Lusitania results in a struggle between the British secret services and an international band that wants to use the documents as an instrument of Bolshevik propaganda. But in the maelstrom of the spy war two young men, Tommy and Tuppence, are ready to risk their lives to reveal the identity of the leader of the band: the mysterious Mr. Brown.