Pin is a bawdy, adolescent cobbler's assistant, both arrogant and insecure who - while the Second World War rages - sings songs and tells jokes to endear himself to the grown-ups of his town - particularly jokes about his sister, who they all know as the town's 'mattress'.

Pin is a bawdy, adolescent cobbler's assistant, both arrogant and insecure who - while the Second World War rages - sings songs and tells jokes to endear himself to the grown-ups of his town - particularly jokes about his sister, who they all know as the town's 'mattress'.