In the near-future in a unnamed town in Germany, there have been incidences of dead bodies transforming into strange creatures and coming back to life to wreck havoc and kill innocent civilians. These mutant monsters have an ability to merge with cars and vehicles that makes them both very fast and dangerous. A secret SWAT team named XAT is specially equipped with armored cars and combat motorcycles to deal with these monsters. Then suddenly normal people begin transforming into monsters. With all these monsters and heavily armed soldiers running around, you know that a battle royal is brewing.