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The story revolves around a stolen treasure and a secret agreement between four convicts, alongside the involvement of two corrupt prison guards. This novel deepens the character of the detective by showcasing his drug habit, adding a layer of complexity not present in the previous work. Additionally, it introduces Mary Morstan, who becomes Doctor Watson's future wife, enriching the narrative with personal stakes and relationships.
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The Sign of the Four, Arthur Conan Doyle
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- Released
- 2018
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