Plucky 8-year-old Astrid plans to be the first hard-of-hearing astronaut to launch into space one day. For now, though, she's determined to earn a trip to Space Camp, with the help of some new friends.

Jasmine, Scarlet, Maggie, and Becca are four 8-year-old girls who can seriously rock. When their town announces a Battle of the Bands, the girls form their own band to enter. But can they make it as a real band?