When Desmond Miles is called away on an urgent mission, he entrusts fellow Assassin Jonathan Hawk with File 24. Hawk sets out to search for the Scepter of Isis - a powerful ancient artifact, lost in time. Through his Assassin ancestor, El Cakr, Hawk travels to Egypt in 1257, where the Scepter lies in the hands of the new Sultan. Pursued in the present by the formidable Templar agent Vernon Hest, Hawk finds himself in a race against time - throughout time.