Sherlock's brother, Mycroft, arrives in New York and asks Holmes and Watson to help him solve a case involving his former fiancée. Sherlock agrees to help but finds it difficult to accept Mycroft's close relationship with Joan.
Elementary 2x07 Extended Promo "The Marchioness" HD Elementary 2x07Preview Elementary 2x07 Trailer
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The Marchioness is the seventh episode of season two, and the thirty-first episode of the...