Casey Blue lives in East London's grimmest tower block and volunteers at a local riding school, but her dream is to win the world's greatest Three Day Event: the Badminton Horse Trials.

When she rescues a starving, half-wild horse, she's convinced that the impossible can be made possible.

But she has reckoned without the consequences of her father's criminal record, or the distraction of a boy with melty, dark eyes, with whom she refuses to fall in love.