There’s an ancient language encrypted into our DNA, which holds the secret to our humanity. Carved into a cave deep in the heart of southern Sudan is the story of this first language. Technology has advanced our civilization past its limits. Computers are breaking down and wars are breaking out throughout the world because mankind has forgotten how to communicate. Alexander and Rebekah, two professors at the University of Chicago, have to discover the secret of this universal lexicon as the last hope to save a dying planet. They must use the power of what religions call the voice of God and what scientists call the original language of man.