Summary
In Season 4, Holmes and Watson investigate a crime connected to Mary's dark past, confront a powerful new enemy who is seemingly unassailable and face their greatest challenge to date.
In Season 4, Holmes and Watson investigate a crime connected to Mary's dark past, confront a powerful new enemy who is seemingly unassailable and face their greatest challenge to date.
The Final Problem
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The Lying Detective
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The Six Thatchers
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