Why is someone destroying images of Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work?
Sherlock waits to see where Moriarty will make his posthumous move. One mysterious case in particular baffles Scotland Yard, but Sherlock is more interested in a seemingly trivial detail. Why is someone destroying images of the late prime minister Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work? Something with its roots deep in Mary Watson's past...
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Timings (where shown) are from the start of the programme in hours and minutes
|Sherlock Holmes||Benedict Cumberbatch|
|Dr John Watson||Martin Freeman|
|Mrs Hudson||Una Stubbs|
|Inspector Lestrade||Rupert Graves|
|Mycroft Holmes||Mark Gatiss|
|Mary Watson||Amanda Abbington|
|Molly Hooper||Louise Brealey|
|Executive Producer||Mark Gatiss|
|Executive Producer||Steven Moffat|
|Production Company||Hartswood Films|