2400 XP, Shock Mod
Talk to Sinamoi after the Born to be Wild quest to start this one. Fast travel to the Lighthouse to save yourself some time.
Note: Bring some Deo-Bombs on this quest and use them on the new suicider enemy type to get the First! achievement.
Continue on and talk to Nikolai. Escort him to the bunker, then return to Sinamoi. Talk to Sinamoi to get your reward and start the Misery Wagon quest.