There are five survivors in a futuristic library. Bam is their supreme dictator, and has the others interrogated and tortured, believing them to have said where. What Bam means is unclear, but he distrusts all.

In 1971 Salford fish-and-chip shop owner George Khan expects his family to follow his strict Pakistani Muslim ways. But his children, with an English mother and having been born and brought up in Britain, increasingly see themselves as British and start to reject their father's rules on dress, food, religion, and living in general.