The plot then shifts to a Middle Eastern terrorist secretly hijacking a plane carrying Hala Kamil, the new United Nations Secretary-General, the hijacker bails out of the plane after ensuring that the plane crash lands in Greenland, where Dirk Pitt, Al Giordino, and Rudi Gunn are trying to locate a sunken Soviet submarine. Also in the area is Lily Sharp, who discovers an ancient coin. They rescue Hala from the plane wreck. As the plot unfolds, several more attempts are made on Hala’s life, since she is trying to stop would-be dictator Akhmad Yazid from taking over Egypt. Dirk is distracted by the promise of treasure, however. Locating a shipwreck in Greenland, they soon find a tablet detailing a mission to hide the treasure of the library at Alexandria. As Dirk, Al, and the Special Operations Forces rescue Hala Kamil from a hijacked ship in the Straits of Magellan, Hiram Yaeger locates the treasure—in Texas. The final stretch of the novel involves Dirk trying to hide the treasure from Yazid and his brother, Topiltzin, a would-be Aztec dictator. Eventually, the treasure is discovered and Yazid, Topiltzin and their henchmen are killed.