Three fresh Brotherhood of Steel recruits — Cain, Cyrus, and Nadia — have just completed their initiation and are ready for their first real assignment. When a group of Brotherhood Paladins goes missing while investigating the town of Carbon, the newly minted Initiate is dispatched to track them down. What begins as a search and rescue mission quickly pulls the Initiate into the dangers lurking in the lawless wasteland beyond Carbon's borders.