After sitting through a 4-H demonstration on the evolution of the horse, Rosie and Carrie are determined to present the arguments for creation at the club's next meeting. The demonstration proves harder to put together than they imagined as everyone offers the girls their opinions. The lessons Rosie learns about creation extend into her life in surprising ways as she faces her old adversary, Billy King, who cheated her out of her first trophy with her pony, Scamper.
