During the school summer holiday, Jessica Strawbridge gets thrown off her new horse Jo, her life becomes a living nightmare when she awakens from taking a hit to her head as she tries to piece her life back together. Not only does she discover that Jo must be returned to the evil Mrs Crowberry who said she could have Jo on loan for two months. After discovering just how horrid Mrs Crowberry really is she must now figure out a way of saving Jo. Learning Mrs Crowberry is part of some sort of witchcraft circle, Jo has been used in her evil deeds. The constant dreams and visions of time running out plague Jessica's every sleeping moment. Making everything feel surreal, as Jessica wrestles with her own mind that keeps trying to convince her that this cannot be happening, but inside, she knows it is all true.

With an impulse so strong to save Jo, Jessica will stop at nothing if it means she can be with her special friend, even if it means risking her own life to get him back! Will the nightmare ever end? Or will something so incredible happen that will change Jessica's life and understanding of horses forever!