The game's story refers to the famous Directive 51, signed just before the end of the term by President George W. Bush and to ensure continuity of government in case of extraordinary threat to the country. The creators of the studio Massive Entertainment offered players an alternative vision of history, in which a fictional operation Dark Winter - so far only simulated in the event of a bioterrorist attack - had to be done really. Action The Division begins in Black Friday, which is the period starting Christmas shopping day in the US promotion and sales. That is the date decided to use terrorists from an unknown organization to cripple the world with a deadly virus, which the carrier were to be passed from hand to hand American banknotes. When as a result of their action in the New York real pandemic breaks out, and the townspeople panic and are able to do everything just to survive into action the members of the title secret agency called Strategic Homeland Division. Controlled by player agents have to deal not only with the deadly virus and the effects caused by him, but also to face the terrorists responsible for the attack.