A tragic mistake made by an alien race 50,000 years in the past leads to a planet-wide genocide. Now the inhabitants of a planet called "Earth" face destruction at the hands of the same madman who wiped out an entire race of peaceful beings... a genetically altered human known as "The Butcher." A secret group of teachers called "The Preceptors" have protected a teenage girl whose genius will eventually be all that stands between the Butcher and his plans to destroy the Human race. But first she must elude a vicious group of killers while solving a set of mysterious clues left by her murdered...