Fallout 4 Diamond City Blues Side Quest Guide

By   /   Nov 16, 2015
Fallout 4 (33)

Diamond City Blues is a complex side quest in Fallout 4 with many branching possibilities. Many folks probably don’t know that even after the completion of the quest, you can still pursue some extra activities related to the quest to get some rewards.

For more help on Fallout 4, read our Brotherhood of Steel Radiant Quests, Radios Locations Guide, Workstations Locations Guide and Legendary Creatures Locations Guide.

Fallout 4 Diamond City Blues Side Quest Walkthrough

This guide will help you complete this pretty confusing side quest in the best possible manner, and list all the possible outcomes and branches for you.

Diamond City Blues

Three to Tango
Head to Diamond City and head upstairs to the fancier part of the town. Go into the Colonial Taphouse. Inside, you’ll hear an argument between a husband (Paul Pembroke) and wife (Darcy Pembroke) and a fight between Paul and Henry Cooke, the barkeep.

Eventually, Paul will storm out. Talk to Darcy and Henry. Head outside and talk to Paul then. He’ll ask you to intimidate Henry for him. You can either agree to help or go alone.

If you agree to help and leave the city before visiting Taphouse again, Cooke will kill Paul prior to your return, so it’s best to try to go alone. Persuade Paul to do so, htne head up to the taphouse alone.

Speak with Cooke about his infraction. You can either win a speech challenge and resolve the matter peacefully, or start a fight.

If the conversation ends peacefully, Cooke will tell you of a chems deal he’s been involved in. If you end up killing Cooke though, you can check his body to find a note regarding the chems deal.

The Deal Goes South
The deal is done with a gangsters called Nelson Latimer. You’ll want to head over to his place. Head north to the river west of Back Street Apparel. That’s where you’ll find Nelson and his men.

Whatever you do, the standoff will result in a gunfight. Speak to the lone survivor of the carnage, who is Nelson’s supplier, Trish. You can either agree to let her live, remove her as threat, or promise to let her go.

Either way, you can acquire information about the location of chems lab. It’s generally better to agree to let her go, as it gives you a password for a terminal at the chems lab, which grants easier access as well as additional goods.

If Cooke is with you, he’ll gun her down when she tries to flee, so be vary of that. The real gangster in-charge of the chems is someone called Marowski.

If Paul is still involved in all this, he’ll want you to split the spoils of the chem deal with him. High enough Charisma can boost this to a 70-30 deal in your favor. Sadly, it’s impossible to take all the caps without killing him (if he is assisting you).

If Paul is still in the picture but you talked to Cooke alone and Paul never attended the chem deal, you can inform him of Cooke’s fate and part ways with him, keeping everything for yourself.

Regardless, you’ll need to travel to South Boston to find the Four Leaf Fishpacking Plant. There are plenty of Feral Ghouls here, so be careful. There’s also a lot of advanced tripwire security.

Instead of going inside the plant, climb the exterior walkway and go to the roof. The wall terminal here is what you got the password from Trish for. Use it to get inside the lab. You’ll encounter a few of Marowski’s men who you can slay, then enjoy all the chems you like here.

After Quest: The Latimer Situation
The quest can either end here, or you can extend it to kill either Marowski or Paul Pembroke. You’ll need to wait for 24 hours after you killed Nelson, after which his father Malcolm will become aware of what happened.

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