The horny farmer McDonald has his wicked way with a goat. Life returns to normal for the family, until the goat gives birth! The mutant off spring, called Billy, is tormented by the Farmer's sons, only the daughter feels any pity for him. It isn't long before Billy, who keeps growing bigger, plans revenge..

Daisy is the love of Ken's life - she is also large... and very pretty... and on the dole. But Ken is a dreamer, all his dreams to make a fast buck ending up where they started - as dreams. With the rent unpaid, the bailiffs at the door and Ken's dreams in tatters, Daisy sets out to bring home the bacon and gets a job in the local factory. There she meets Marlene and half a dozen other large women who are all united in a secret passion - Sumo wrestling! Ken doesn't know what's hit him.

Two young men and a sultry divorcee flee their drab hometown existence, taking to the road in a bubblegum pink chevrolet.