Set in the near future Germany, it portrays hideous demonic being called Demoniacs or Amalgams on the prowl on German soil attacking civilians and were said to be from the dead. The Bundezpolizei establishes an anti-Demoniac unit called the Xenogenesis Assault Team, armed with military-grade weapons and equipment to protect the German populace from Demoniacs and to spearhead anti-Demoniac operations. Individuals who are able to control the Demoniac powers and use them to fight against them on their own terms or to destroy the world are called Blassreiters.