An ancient mystery connects violent events around the world to a 3,000 year old story of an Egyptian princess. Dirk Pitt and his colleagues must unravel this mystery to discover its threat to the modern world. Scientists are murdered in El Salvador while investigating deaths. A collision occurs in Detroit waterways. Tom raiders attack an archaeological site on the Nile. Only Dirk Pitt can solve the secrets of this ancient enigma across Egypt, Ireland, and Scotland before it impacts mankind.