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The Sign of Three

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"The Sign of Three"

Series 03, Episode 02

The sign of three
Air Date 5 January, 2014
Writer Steve Thompson, Steven Moffat, Mark Gatiss
Director Colm McCarthy
Viewers 8.8 million[1]
Previous "The Empty Hearse"
Next "His Last Vow"

"The Sign of Three" is the second episode of series three of Sherlock. It was written by Steve Thompson, Steven Moffat and Mark Gatiss.

It was first broadcast on 5 January, 2014, on the BBC in the UK, and on 26 January, 2014, on PBS in the USA.

Summary Edit

Sherlock faces his biggest challenge of all – delivering a Best Man's speech on John's wedding day! But all is not quite as it seems. Mortal danger stalks the reception – and someone might not make it to the happy couple's first dance. Sherlock must thank the bridesmaids, solve the case and stop a killer!

Plot Edit

The episode opens with Greg Lestrade investigating a series of bank robberies, however the robbers always seem to know just before the police turn up. He gets increasingly frustrated with each new incident, but finally the police force manage to corner the gang. As he is moving in, Sherlock texts him urgently for help at Baker Street. Lestrade abandons the arrest and sends police units Sherlock's house, only to find that the help needed was with writing a best man's speech.

Mrs Hudson then speaks to Sherlock about the big day coming up: John's wedding to Mary. We see a man getting ready for the occasion: James Sholto, John's old army commander. After the ceremony, John and Mary leave the church, and a photographer takes their picture. Sherlock interrogates all of Mary's male friends to see the likelihood of infidelity, causing one of them to very carefully keep his distance from Mary after Sherlock had warned him to do so.

The reception begins and John thanks Sholto for coming. Sherlock begins his speech, and is lost for words, and we flash back to John preparing to ask Sherlock for the honour of being best man. Sherlock remembers the telegrams, and begins to read them out. One is from Mike Stamford, another from Cam, who wished Mary's family was around to see the wedding. Sherlock rattles through the rest of the telegrams and then recounts the story of John asking him to be best man. He claims to have gone through a range of emotions before expressing his gratitude, then admits that he'd not said anything our loud.

Sherlock then goes about insulting most of the guests and ridiculing the institution of marriage. He says this shows what an arsehole he is, and how good a man John Watson is to consider Sherlock his best friend. He also sincerely congratulates them both, and says that Mary deserves as good a man as John. The guests begin to cry, just as Sherlock launches into his funny stories about John. He brings up John's blog, and recounts the cases of The Hollow Client, The Poison Giant, The Matchbox Decathlete, and The Elephant in the Room.

He then picks the case of the Bloody Guardsman to explain in full detail – Stephen Bainbridge, a royal guardsman, contacts Holmes when he believes he has a stalker. The pair investigate, trying to speak to Bainbridge, but soon discover him dead, stabbed in a locked shower. While investigating the body, Watson sees he is still alive and saves his life. Sherlock recounts how he is all about solving the mystery, whereas John is all about saving peoples' lives.

Lestrade and Tom attempt unsuccessfully to guess how the murder was done, and Sherlock explains he never solved it. He then moves onto the story of John's stag night, where he calculates exactly the right amount of alcohol to consume in order to have the perfect evening. However, John sneakily adds extra shots to their drinks, throwing off Sherlock's careful calculations and causing them to get drunk and almost get into a fight.

They go home and start playing a game of Celebrity Heads. Sherlock has his own name on his head, and much to Watson's amusement, he is unable to figure this out in his inebriated state. A client, Tessa, then enters and tells them she believes she has been dating a ghost. Holmes and Watson are still quite drunk and are prone to giggling and nodding off while she tells her story. They agree to accompany her to the flat where she had last seen her date. Sherlock, whose usual super-human deductive abilities have been reduced to looking at a chair and thinking "sitty thing?", flops over and vomits while trying to inspect the floor for clues. The landlord, disgusted, has them arrested.

An amused Lestrade gets them out of prison the next day, and Sherlock begins investigating the ghost date. He speaks to other women who say they have dated the ghost, and he deduces that it is a man using recently deceased men's flats and identities to meet women. He comments that he is less of a ghost and more of a mayfly, as he lives for just one day. He tries to find the common connection between the women but cannot see it. He gives up, and back at the wedding finishes his speech. However when the photographer takes a snap of him, he drops his glass and realises that Tessa knew John's middle name, and after ruling out Irene Adler as a suspect realises that Tessa must have seen it on John's wedding invitation, meaning the Mayfly Man was at the wedding.

He continues his speech, working out that the man must be here to murder someone, and that someone must be Sholto, the army commander who got a platoon of new recruits killed in Afghanistan. He tells Sholto he is in danger, then informs John and Mary of the danger. Sholto locks himself in his room while John, Sherlock and Mary bang on the door. Sherlock then works out that both Sholto and Bainbridge the guardsman wore the same belt, and that the belt is constricting a stiletto wound (delivered painlessly thanks to the tightness of the belt) that will only start to bleed out once the belt is removed. Sholto refuses to let them in, saying it is his time to die, but Sherlock convinces him to let John Watson treat him.

Later Lestrade brings in the wedding photographer, presumably on Sherlock's request, and it is revealed that the photographer had been the murderer; his brother had been one of the recruits under Sholto's command when the platoon was attacked.

At the wedding dance, John and Mary dance to a waltz Sherlock wrote for them. He then makes a speech, and proposes a toast to the three of them – indicating he has deduced Mary is pregnant. He apologises for letting it slip, then dons his coat after putting on his regular outfit and makes his way into the night, alone.

Allusions Edit

Trivia Edit

  • In a deleted scene John mentions his mother is dead after Sherlock suggests she make the best man speech.
  • According to the invitation, the wedding takes place on Saturday, 18 May at St Mary's Church in Sutton Mallet.[2]
  • Events of the episode are documented by Sherlock in John's blog on 11 August.[3]
  • The cases of "The Bloody Guardsman" and "The Mayfly Man" are documented in John's blog.[4][5]
  • Other cases mentioned in the episode like "The Inexplicable Matchbox", "‎The Poison Giant", "The Elephant in the Room" and "The Hollow Client" are also documented in John's blog.[6][7][8][9]The one which Sherlock mentions as "‘touching’ cases", which Sherlock deduces to be a love affair, is likely the "Happily Ever After" case, which documented in John's blog as well.[10]
  • Donovan mentions Jones("Jones’ll get all the credit if you leave now! You know he will!"), which is reference to Inspector Peter Jones from cannon.
  • Sholto says to John, "No more need for the trick cyclist?". "trick cyclist" is a british slang for 'psychiatrist'.
  • Sherlock again uses the warning "Vatican Cameos" after A Scandal in Belgravia.
  • According to the commentary for "The Empty Hearse", "The Elephant in the Room" case was previously decided to be the fake impossible case made by Anderson in "the Empty Hearse", however latter it was changed.
  • The song from first bar is "Shakin' All Over" by Johnny Kidd. John has to use the loo, Song is "Fried My Little Brains" by The Kills and on his return, "Crystalline Green" by Goldfrapp. When John spikes Sherlock's beer, it’s M.I.A.’s "Galang". When Sherlock is drunk and instigating a fight about tobacco ash the song is Rihanna's "We Found Love.".
  • When Sherlock reads the telegram, “Mary – lots of love, poppet. Oodles of love and heaps of good wishes from CAM. Wish your family could have seen this.”, Mary's smile fades. This CAM is probably Charles Augustus Magnussen.
  • Mycroft is seen exercising. This is a reference to the cannon, where Mycroft is described as fat.
  • After looking at the "The Bloody Guardsman" case and concluding it is work of a "Uniform fetishist", Sherlock says “All the nice girls like a soldier.”. It is a parody of a popular British song "All the Nice Girls Love a Sailor".
  • In the credits of the episode on Masterpiece Mystery on PBS, some of the letters were highlighted red. Letters from this episode spells out I-S-A-D-O-R-A-P-E-R-S-A-N-O. In cannon story "The Problem of Thor Bridge" "the case of Isadora Persano" is mentioned, ("who was found stark staring mad with a match box in front of him which contained a remarkable worm said to be unknown to science".). "The Inexplicable Matchbox", a case similar to this is mentioned in the episode and also documented in John's blog, in which culprit is Isaac Persano.[11] A case named "The Confusion of Isadora Persano" is also seen in archived case files section on Sherlock's website.[12]

Errors Edit

  • After Sherlock runs after Major Sholto and John decides to follow, the shot that has John walking through the guests shows Mary in the background having already left the table. Whereas, the next shot shows her just leaving the table.
  • When Sherlock and Watson are in jail, Sherlock's right arm is hanging by his side. When the man enters , Sherlock's arm jumps from hanging to resting on his chest between shots.
  • During Irene Adler's cameo, the position of her hand on Sherlock's face changes between shots.
  • The guardsmen on sentry duty were unarmed. Sentries always carry rifles.[13]
  • After Sherlock shows Janine his dance moves, they are talking and Sherlock's hands alternate between behind or in front of his body.
  • When Mary and John are greeting guests at the reception, they greet the same couple twice - an elderly woman in a large white hat and bright pink jacket and a man in a light grey suit.
  • When Sherlock and Mycroft are talking, the screen light of Mycroft's phone go on and off between frames.

Cast Edit

VideosEdit

References Edit

  1. Sherlock closes case in season finale with almost 8.8 million viewers, John Plunkett, The Guardian, 13, January 2014.
  2. "The Sign of Three", 5 January, 2014, Screencap: File:Wedding invite john mary.png
  3. Lidster, Joseph. "The Sign of Three". BBC.
  4. Lidster, Joseph. "The Bloody Guardsman". BBC.
  5. Lidster, Joseph. "The Mayfly Man". BBC.
  6. Lidster, Joseph. "The Inexplicable Matchbox". BBC.
  7. Lidster, Joseph. "‎The Poison Giant". BBC.
  8. Lidster, Joseph. "The Elephant in the Room". BBC.
  9. Lidster, Joseph. "The Hollow Client". BBC.
  10. Lidster, Joseph. "Happily Ever After". BBC.
  11. Lidster, Joseph. "The Inexplicable Matchbox". BBC.
  12. Lidster, Joseph. "Archived case files". BBC.
  13. "Changing the Guard". Changing-Guard.com.

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