Fifty years of war between the Great Eastern Federation and Europa - now merged as Eurasia - have taken their toll on planet Earth. As a result of the use of biological, chemical and nuclear weapons, much of Earth has become uninhabitable and people have become prey to new diseases. Professor Azuma's "neo-cell" project, which is supposed to be the answer to mankind's hardships, becomes a nightmare come true when mutants spawned from the experiment escape and declare war on
