Jill has lived the perfect childhood of ponies, gymkhanas and show jumping. Her whole world is turned upside down when her mother tells her that she is getting married again and they're moving to a castle in Scotland. In her new life Jill is presented with acres of riding country, stables full of wonderful horses and the prospect of moving from ponies to horses. She has to prove herself to her newly acquired relatives and find a place in her new world.