"Fifth-grade best friends Kenzie "Kenzilla" and Shelly "Bombshell" dream of becoming roller derby superstars one day, but when a junior league forms and they must recruit teammates, will their friendship survive?" --
When they get lost in a strange city during roller derby camp, the Daredevils lose their confidence and their ability to work as a team, but shy Tomoko's wilderness skills and navigational know-how help them escape the urban jungle.
Astrid signs up for roller derby camp, but her best friend Nicole chooses dance. While making new friends and struggling with a new sport, Astrid fears she is losing Nicole.