Dirk Pitt searches for a 2500-year-old pharaoh, investigates a biological disaster that threatens the world`s oxygen supply, rescues a gorgeous international diplomat from imminent assassination, uncovers a nuclear waste spill that turns thousands of tribal Africans into crazed cannibals, solves the disappearance of an aviator over the Sahara in the 1930s, and reveals the great unknown secret behind the assassination of President Abraham Lincoln. It`s all in day`s work for the unstoppable adventurer.