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Jewel of the Commonwealth is the third main story quest in Fallout 4.

Quick walkthrough[]

Main quest: Jewel of the Commonwealth 
Complete The Memory Den quest in Goodneighbor
Help Preston Garvey and his friends to flee Concord during When Freedom Calls
Talk to Mama Murphy
Go to Diamond City
Talk with the guard via the intercom and the troublemaker
Leads to: Story of the Century 
Find information about Shaun
Go to Valentine Detective Agency
Reward: 150+ XP 
Leads to: Unlikely Valentine 

Detailed walkthrough[]

This quest becomes available at the conclusion of the When Freedom Calls quest, or upon first coming across Diamond City while exploring. Either way, the Sole Survivor will be told that Diamond City is the best hope for gaining further information about Shaun. Getting there from Sanctuary Hills is a long trek southeast. Upon crossing the bridge into the remains of the city, several wayfinding signs will aid the Sole Survivor in finding the settlement.

At the entrance, the Sole Survivor will witness a confrontation between Piper Wright, the owner of the local newspaper Publick Occurrences, and McDonough, the mayor of the city. Piper will use the Sole Survivor to trick the guard into opening the gate, thus letting them both in.

Speaking further with McDonough, a moderate-difficulty Speech check will get him to tell the Sole Survivor who to talk to about Shaun, and then they are allowed entrance into the Diamond City market. Asking any of the following individuals provides a clue to the Sole Survivor's next move:

Speaking with any of these people will direct the Sole Survivor to the Valentine Detective Agency. However, upon arrival at Valentine's place of business, his secretary, Ellie Perkins will inform them that Valentine disappeared while working on a case. Ellie hopes the Sole Survivor might lend a hand to help find him. Charming Miss Perkins will allow the player character to shake her down for a few caps upon delivery of her boss. In any case, agreeing to help will finish the quest and start Unlikely Valentine.

Quest stages[]

Quest stages
StageStatusDescriptionLog Entry
10 Go to Diamond CityDiamond City is the largest settlement in the Commonwealth. It's the best place to begin the search for Shaun.
20 Find information about Shaun
25 Found information about Shaun
30 Go to Valentine's Detective AgencyI've discovered that Diamond City is the home of a detective, Nick Valentine. He might be able to help me find Shaun.
100Quest finishedQuest complete - Trigger Unlikely ValentineI need to find Nick Valentine, the detective who could help me locate Shaun. Nick was last seen heading to Park Street Station on a case.

Companion reactions[]

Meeting Piper
Piper and Mayor McDonough arguing
EventCaitCodsworthCurieDanseDeaconHancockMacCreadyPiperPrestonStrongValentineX6-88LongfellowGage
Stay out of the argumentNo reactionNo reactionNo reactionNo reactionLikeNo reactionNo reactionNo reactionNo reactionNo reactionNo reactionLike*No reactionNo reaction
Support the newsDislikesNo reactionLikeNo reactionLikeLikeDislikesNo reactionNo reactionNo reactionLikeNo reactionNo reactionNo reaction
Hate the newsLikeNo reactionDislikesNo reactionDislikesDislikesLikeNo reactionNo reactionNo reactionDislikesNo reactionNo reactionNo reaction
* X6-88 can only be your companion during this quest using console commands or mods.

Notes[]

  • If the Sole Survivor goes to the Memory Den in Goodneighbor, they can relive Shaun's kidnapping. Afterward, Irma will apologize for having to experience that again, and if they have not already done so, she will say that the Sole Survivor needs to go to Nick Valentine's office in Diamond City. The quest will update straight to visiting Nick's office.
  • If Nick is rescued in Vault 114 without having visited Diamond City first, the quest Jewel of the Commonwealth will be auto-completed and the quest Unlikely Valentine will start.
  • If the Sole Survivor successfully convinces Danny Sullivan that one is genuinely a merchant, he will give the player some caps as a reward.
  • If Far From Home is completed before the initial dialogue with Ellie is started, Ellie will greet and thank the Sole Survivor as if she already knows them. Only on a second interaction will the Jewel of the Commonwealth quest continue, with Ellie introducing herself and saying Nick is gone.
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