The first expansion pack takes place in an alternate reality
Tyranny of King Washington.
Ubisoft has for the first time elected a completely fictitious basis for action.
Evil-History
The expansion will focus on a new single-player story, how things have unfolded a bit different from what we are used to in the history books. Instead of being enlightened and popular president we know him as, Washington takes a slightly different direction, where he develops into a vicious tyrant who controls the U.S. with an iron hand. This action has nothing to do with the main story of Assassin's Creed games, and was designed for new players who find it hard to start the series.