It's only spring and the Canter Club have had enough drama to last all summer. A friendship between two of the girls is at stake because of a overheard conversation. There's a new arrival of Mean Miranda Marie, or Barbie as Brooke refers to her. Grace, Louise, Elaine and Brooke have to do what it takes to get her out of their lessons before summer. A bet between Brooke and Barbie at the Spring Show is their only hope. The loser will have to leave Maple Ridge Stables forever But, what is Brooke going to do when her horse, Buddy, gets sick two days before the big show? "