Racing through the night, at one with its bareback boy rider, the beautiful grey mare is everything Sandy has ever dreamed of. But who is the wild boy rider? And could he possibly be involved when an incident at her parents' livery yard leaves Sandy feeling unable to trust anyone - even those closest to her?

As mystery follows mystery and Sandy begins to suspect a shocking truth, the wild boy rider and his beautiful horse - Queen Moon - are drawn into her world. And, nothing, for Sandy, can ever be the same again . . .