Conrad Navarro is a champion of the Pageant, a modern day gladiatorial exhibition held in secret arenas across the globe. He becomes indentured by a cabal of ultra-rich patrons, and his sister vanishes while traveling in Mexico. Imogene is a special agent for the FBI following on the trail of a scientist whose eugenics experiments landed him on a most-wanted list. Imogene left behind clues that indicate she uncovered evidence of an occult conspiracy against civilization itself. Now, Conrad is searching for his missing sister while these malign forces seek to destroy him. He becomes enmeshed within a web of primordial evil that stretches back to prehistory.