Fourth-grader Sylvie Scruggs is old enough to join her town's new junior ice-hockey team, and she is a really good skater, even if she does have a tendency to close her eyes when she shoots, but fifth-grader Jamie Redmond does not like younger kids on the team, and when someone starts pulling pranks on Sylvie she is convinced that Jamie is responsible--and she enlists the help of her friends to prove it and get even.