A riding holiday in the States should be the perfect vacation for Izzy Paterson an Kate Hardy. But when the two girls arrive at Whitetops Horse Farm the family seem preoccupied by something and haven't even prepared for their arrival. Izzy and Kate spend all of their time mucking out and grooming. When, after several days, they still haven't been offered a ride, Izzy decides its time to find out what's going on.
