Jeremy and Julian Lewis, the "Lewis Twins", are two unruly brothers who terrorise the city of Swansea from the caravan park where they live with their family. When their father, Fatty, is injured while working on a roof for local kingpin Bryn Cartwright, they try in vain to claim compensation. Thus begins a campaign of terror, which local policemen Terry and Grayo are ill-equipped to prevent, involved as they are in a drugs deal with Cartwright.

Set in the fictional village of "Ogw" in the valleys of south-east Wales. After her father Jack suffers a stroke Annie Mary Pugh is forced to take care of him but uses the circumstances to emancipate herself and find the courage to sing once again.

The old-age pensioners of a South Wales town are up in arms. They must fight to save their municipal hall from developers and corrupt councilors. Unexpectedly they are joined by their teenage neighbors whose life of unemployment makes them ready to flight for their valley and their heritage. Together they plan to mobilize public opinion by seeking sponsors, running bazaars and offering super prizes at the local bingo hall. But one suggestion beats everything: 'I propose that Tom Jones comes here to sing.'