Deep in the African desert, Dirk Pitt discovers that a top secret scientific installation is leaking a lethal chemical into the rivers, threatening to kill thousands of people – and to destroy all life in the world's seas.
To warn the world of the catastrophe, Pitt must escape capture and death at the hands of a ruthless West African dictator and French industrialist, and undertake a long, perilous journey across the merciless Sahara…
