When the victory is won and the enemies rest in the earth, what to do next? Where to find a new goal and the very meaning of existence? In search of answers to these questions, the master assassin Ezio Auditore is sent to the east, to the homeland of his great ancestor Altair, where he searches for the traces of the lost library of the Order of the Assassins. This full of dangers journey promises to be full of discoveries and revelations. The path leads him to Constantinople, the heart of the Ottoman Empire, where the growing army of the Templars threatens the stability of the region. But what can an army of iron-clad knights-crusaders against a ruthless and noiseless killer ...