Four years after the events of Assassin's Creed: Brotherhood, Ezio Auditore, now leader of the Italian Assassins, travels to Masyaf to learn Altair's secrets. Soon enough, he learns that the knowledge he seeks is locked behind a door that requires mysterious 'keys'. To find these keys, Ezio travels to Ottoman-ruled Constantinople, where despite the expulsion of the Templar-controlled Byzantines, a political struggle for power is in the brewing.

Venture into the meticulously-designed city of Constantinople in Revelations, as Ezio searches for meaning and traces the footsteps of his ancestor, Altair and stop the Templars from seizing powers they can scarcely control.