After a global catastrophe called the Great Reduction, the number of people living on Earth has become fixed, remaining a constant three billion. The concept of death no longer exists. Instead people are reborn anywhere on the planet with an in-code that keeps track of information about all their previous incarnations. Humankind is no longer made up of individuals - people are only particles making up one composite organism called The Living. These particles live happily and die happily, accordi...