Fallout New Vegas story

The protagonist is a courier working for the Mojave Express, known simply as "the Courier". The game begins as the Courier is ambushed by a mobster named Benny (voiced by Matthew Perry) en route to New Vegas to deliver a mysterious item known as the "Platinum Chip." Benny shoots the Courier and leaves him/her for dead, taking the Chip for himself, but the Courier is rescued by a Securitron named Victor and brought back to good health by Doc Mitchell (voiced by Michael Hogan) in Goodsprings.^[9] The Courier then embarks on a journey across the Mojave Wasteland to locate and confront Benny.

The game proceeds according to the player's decisions and involves many different events, factions, and characters. The main storyline follows the player's pursuit of Benny to both settle the score and retrieve the Platinum Chip. Along the way, the Courier encounters many groups of people with various problems that he/she can choose to assist with, ignore, or otherwise sabotage, resulting in positive or negative karma. Eventually, after finding Benny and the Chip, the Courier finds him/herself in the middle of a conflict between three major factions: Caesar's Legion, a group of Roman-esque slavers, the New California Republic (NCR), an expansionist militia government, and Mr. House (voiced by René Auberjonois), the enigmatic de facto ruler of New Vegas, in command of an army of Securitron robots that patrols the city. Each of the three sides aim to control the Hoover Dam, which is still operational and supplying the Southwest with power and clean, non-irradiated water; thus, control of the dam means effective control of the region. It is revealed that Mr. House, a human from before the Great War and surviving via a contained life support chamber, ordered the Platinum Chip's delivery before the war. The Chip is a data storage device with a program that can upgrade the Securitrons to a greater level of combat effectiveness, and was stolen by Benny as part of a scheme to take over House's security and claim New Vegas for himself with the help of a reprogrammed Securitron named Yes Man.

The player has the option to pursue one of four paths: fighting for Caesar, the NCR, Mr. House, or taking up Benny's plans to take New Vegas for their own with Yes Man's assistance. After a line of quests where the player deals with outsider factions to determine their role in the looming battle, the player is notified that Caesar's Legion is attacking Hoover Dam, and they must take part to decide the outcome. As the Legion strikes the Dam, led by the fearsome Legate Lanius, the NCR defends its position under General Lee Oliver. Depending on the faction sided with up to the battle, the player will either conquer the Dam for Caesar's Legion, defend it for the NCR, connect the dam's systems to House's network so either he or Yes Man can take control, or destroy the dam for good to bring an end to the war over it. The game concludes with a narrated slideshow showing and explaining the results of the player's actions, the battle for Hoover Dam deciding the faction that comes to power over New Vegas and the Mojave, and the fates of the various other factions based on how the player negotiated with them and which of the major factions emerged dominant.