What will 13-year-old Cassie do when she unexpectedly finds a note buried in her show trunk from an unknown informant .
warning her that she'd better watch out or face serious consequences if she and her new hunter mare, Snowdrops, don't stop winning blue ribbons? Will she cave in to it, or will she set her heart on achieving her goals to qualify for the fall Children's Hunt Seat Equitation Championships despite the odds stacked up against her? Who left the note? Would somebody really hurt .