The story is set in the United Kingdom, which has just been attacked by an unnamed minor Eastern Block nation which has developed a chemical sterilant that renders almost all women incapable of conceving children.
The story is set in the United Kingdom, which has just been attacked by an unnamed minor Eastern Block nation. The weapon used, codenamed Prolix, is a new chemical sterilant that once ingested renders almost all women incapable of conceving children.