The Glowing Sea

The Glowing Sea is a main story quest in Fallout 4.

Quick walkthrough

 * 1) Find Virgil in the Glowing Sea.

Detailed walkthrough
An Inhospitable Ocean

Kellogg’s memories and Doctor Amari’s advice indicate you should locate an escaped Institute scientist. His last known position was deep in the most irradiated region of the Commonwealth—the Glowing Sea.

Commence the long trek southwest, following the remains of the freeway until your Pip-Boy indicates a hike off-road is in order. Expect to face Radscorpions, Feral Ghouls, and other irradiated wildlife. When you reach the map marker, you are close to the Crater of the Atom.

Warning! You are trespassing when you enter the location of a strange cult, led by Mother Isolde. Though violence is always an option (search the area of a scrap of paper indicating a nearby cave), you can:


 * Lower your weapon and speak to Mother Isolde. Answer her politely. She directs you to a nearby cave.

Locate the Rocky Cave roughly southwest of the Crater of the Atom. Watch for, or sneak past, the roaming Deathclaw.

You’ll find Virgil inside this cave. He requests you help him locate a serum within the Institute in return for his knowledge