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Sherlock Holmes Chapter One Walkthrough – All Cases

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Here you can find a full Sherlock Holmes Chapter One Walkthrough with a List of All Cases, Chapters, Side Quests. Sherlock Holmes Chapter One has 30 Cases (plus 5 DLC Cases).

This 100% Walkthrough also points out all missable trophies and achievements. Collectibles are covered under the free roam section at the bottom. Everything for 100% Completion is included. By following this you will earn all trophies and achievements in the game.

Do note that almost all trophies are missable, due to requiring specific choices at certain points of missions that cannot be replayed without redoing the whole game. The missable trophies are pointed out in red throughout the individual case walkthroughs. There is also no free-roam after the story, because of this it’s best to do all side cases after Main Case “The Muse From Abroad“. At this point you will have access to all side cases, before then some will not be accessible as they require story progress.

Below are links to all Sherlock Holmes Chapter One Walkthroughs:

My Story

  1. A Mother’s Love
  2. Ghosts of the Past (Prologue)
  3. A Gilded Cage
  4. The Muse From Abroad
  5. Sacrificial Lamb

Mycroft Cases

  1. Eel Hunting
  2. The Missing Shopkeeper
  3. Love, Death, and Cordona

Police Cases

  1. The Master of Disguise
  2. The Collie Shangles
  3. Splitting the Loot
  4. What Was Did in the Shadows
  5. The Scapegoat
  6. Plan Bee

Other Cases

  1. Siren Song
  2. String Theory
  3. Street Magic
  4. Iron Coffin
  5. Blindsided

Cordona Stories

  1. The Tale of the Empty House
  2. Silence is Golden
  3. Treasure Island – Stage 1
  4. Treasure Island – Stage 2
  5. Treasure Island – Stage 3
  6. The Hand-Me-Down
  7. Flashes of Merriment
  8. The Ghost-Hunter
  9. For the Birds
  10. A Mad Rogue
  11. Pillar of Knives

Collectibles

DLC Cases / Stories

Not needed for trophies / achievements.

  1. Lead Zeppelin (part of Victorian Starter Pack, Pre-Order Bonus)
  2. Saints and Sinners
  3. Mycroft’s Pride (will release in the future)
  4. M for Mystery (will release in the future)
  5. Beyond a Joke (will release in the future)

More Guides:


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  1. Hey, thanks for the guide. Just wanted to double check. If case mentioned here has no dedicated page, then there is no any trophy related to it? Is that correct?

    Reply

    • No, not all pages/cases are completed yet. They will be added over the next few days.

      Pretty much every case is tied to at least one trophy. In the meantime, check our Trophy Guide, which lists all the trophies and the respective cases they can be earned in 🙂

    • it’s a Cordona story. Reaching a platform with three telescopes can trigger this, near a fast travel point named observation point, northwest old city.

    • Having the same issue. I also never run into or cannot find the NPCs I’m supposed to eavesdrop on to get the cases.

    • I had finished the story and made a save point before. Was on the old market but nothing about the pillar of knives.

    • Hi, I have the same problem, i found my friend video about this cases， There was blood on the pillar . I think the case may have activated the blood

    • I was actually able to trigger this during the Love, Death and Cordona case. You have to follow blood trails during it, and you pass by the Pillar of Knives that has a bloodstain on it.

    • For me, the mission triggered while playing the “Love, Death, and Cordona” Mycroft case. After investigating the corpse, your next step was to go to that pillar and the respective quest triggered immediately. Hope this helps

  4. About the “other cases”:

    I could only eavesdrop on the sailors for the “Siren’s Song” case after completing the “Gilded Cage” Case.

    And “Iron Coffin” and “Blindsided” conversations only occured after completing “A Muse from Abroad”

    However, i have no clue if the other 2 cases in this category have any requirements before they appear, as i didn’t look for them early in the game.

    Hopefully this will help some people

    Reply

  5. I’m unable to start the Iron Coffin case. The 2 women are never in the police station. Is this case missable if I do any other cases?

    Reply

  6. Hi- just wanted to let you know you’re missing the “Saints and Sinners” case. I believe it’s triggered during another case when in an area near a church. A priests hand is cut off

    Reply

    • Currently don’t have that one – but I think that’s DLC and not part of the main game (at least not needed for any trophies / achievements or anything important).

  9. Walkthrough is now done 🙂
    Only case I don’t have access to is “Lead Zeppelin” because it was a pre-order exclusive DLC and no longer purchasable. It’s not needed for any trophies / achievements so it’s okay to skip that one.

    Had fun working on these, unique game, something different, nice gameplay.

    Reply

  10. Hi. I’ve got a case named “The Bridge Agent”. Got it from Mycroft’s agent (M icon on the Map). Is this from a dlc? I cannot find a guide for it.

    Reply

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