FNV Guess Who I Saw Today Quest Guide and Dialogue Choices

Posted on 18 August 2026 | 21
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The post-apocalyptic expanses of Fallout: New Vegas are filled with complex narrative threads that challenge the moral compass of the Courier. One of the most memorable side stories unfolds in the super mutant sanctuary of Jacobstown, where players can uncover the mysterious ailments affecting the local Nightkin population. Navigating this delicate situation requires a keen eye for exploration and a thorough understanding of the personalities residing within the mountain retreat.

Initiating the Investigation in Jacobstown

To begin this journey, you must travel to the far northwestern corner of the Mojave Wasteland and enter the peaceful community of Jacobstown. Inside the main lodge, you will encounter Doctor Henry, a former Enclave scientist dedicated to curing the schizophrenia plaguing the local Nightkin. Speaking with him reveals that he needs field data regarding mutated stealth mechanics to advance his psychological research.

Doctor Henry will ask you to investigate a nearby cave system where local bighorners have been mysteriously disappearing. Accepting this request officially initiates the assignment and points you toward the treacherous wilderness surrounding the settlement. Preparing for close-quarters combat against invisible threats is highly recommended before venturing outside the lodge walls.

Exploring the Depths of Charleston Cave

Your objective lies within Charleston Cave, a damp cavern located just a short distance up the snowy mountain trails from Jacobstown. As you navigate the winding tunnels, you will face aggressive nightstalkers that utilize stealth technology to ambush unsuspecting travelers. Maintaining a high perception stat or using companions can help you pinpoint these cloaked predators before they strike.

Deep within the cavern, you will discover the remains of a fallen Nightkin warrior surrounded by unique glowing flora. Investigating the body yields a chewed stealth device, which serves as the crucial piece of evidence Doctor Henry requires. Securing this experimental technological artifact allows you to safely return to the laboratory for the next phase of the study.

Navigating the Crucial Dialogue Options

Upon delivering the damaged device, a sudden confrontation arises as Lily Bowen and a hostile Nightkin named Keen enter the laboratory. Keen demands the research notes, believing that a permanent cure will strip the Nightkin of their beloved cloaking abilities. This tense standoff forces you to make a definitive narrative choice through the game's branching conversation system.

If your character possesses a Speech skill of at least 60, you can peacefully convince Keen to leave without resorting to violence. Alternatively, you can choose to side with Doctor Henry's scientific pursuits or support the natural evolution of the super mutant community. Each conversational path yields distinct long-term consequences for the fragile political stability of the hidden mountain sanctuary.

Resolving the Fate of the Nightkin Cure

The final resolution hinges on how you advise Doctor Henry to proceed with his experimental medical trials. You can encourage him to continue the testing on Lily, which risks her mental stability but promises a future breakthrough. Conversely, advising him to halt the experiments protects Lily's well-being but leaves the broader Nightkin population without an immediate remedy.

Completing this assignment grants a substantial amount of experience points and alters the ending cinematic slides for the Jacobstown faction. Balancing scientific progress against personal loyalty remains one of the defining highlights of this classic role-playing experience. Your actions will forever shape the destiny of the super mutants seeking peace away from the harsh Mojave Wasteland.