Katie loves skating with the Wheel-las and the fact that she's officially a superhero sidekick. But now that school's starting, everything's changing. The Mousetress is getting blamed for things Katie knows she didn't do. Sidekick training is NOT as exciting as she'd hoped. Katie's best friend Beth is back in town and Beth's new boyfriend is always hanging around (ugh!). Not to mention that all of Katie's friends are mad at her. Fixing this will be...