A working class single mother appeals to send her son to the best state school in her area. When the headmaster of a local private school hears of her campaign, he is intrigued, and offers her son a place at his school, betting that he can turn the boy's life around.

An outspoken single mum is determined her son will go to the school of her choice, and he ends up at a private school. Only then does she discover the headmaster offered a place merely to win a bet.