The everyday lives of working-class residents of Albert Square, a traditional Victorian square of terrace houses surrounding a park in the East End of London's Walford borough.
As the Falklands War looms, an RAF recruit falls for a young barmaid, but their romance is quickly complicated with some surprising news.
The Doctor and Peri arrive on Karfel, a planet ruled by fear where the enemies of its ruler, the despotic Borad, are banished into a time tunnel known as the Timelash.
