The single-player demo includes four training missions and two missions: Dirt Haven and Devil's Graveyard. A squad of Brotherhood Initiates is sent to deal with raider gang leaded by Gargantua. The multiplayer demo adds a multiplayer component to the two-level single player demo.
The game takes place in 2197 in the American Midwest. The Eastern Brotherhood of Steel is trying to claim territory surrounding Chicago. The Warrior, the player character, is a new recruit to the Brotherhood, tasked to lead a squad of soldiers made up of available initiates.