Billy falls for ambitious pub singer Bev and, with Billy, strikes a deal for some cigarette lighters; unfortunately, they end up with a crate of butter. They set out to take revenge on both the dealer and Bev's manager.

Billy and Pincey escape from prison and find few friends on the run.

After trying and failing to rob an office, they are finally helped by Mona's boyfriend and soon find themselves in the middle of a gang war. A return to prison starts looking promising.