Upon moving to Franklin Grove, eighth-grader Olivia Abbott, a pink-loving cheerleader, learns that she has a twin sister, Ivy Vega, whose "goth" appearance hides a weird secret.

When a former member of NERDS turns into a villainous cheerleader, Matilda "Wheezer" Choi and the rest of the NERDS must infiltrate the cheerleader squad and save the world from a machine that wreaks havoc by entering other dimensions.

Brianna likes everything to be perfect. She practices, and practices, but even then, sometimes not everything is "just so." But with some help from her big sister and the older girls from Big D Elite Gym, Brianna learns that while practice makes perfect sometimes, other times it's OK to do your best and just have fun!

It's the first big competition for Taylor, Abby and the rest of the Glitter cheer squad from the Big D Elite gym. Competitions are nerve-wracking enough, but add in a teammate who is always perfect - and wants everyone else to be too - a slow back walkover and some intense competition, and the Glitter squad will have to perform better than ever to take first place.

People have always treated seventeen-year-old Mana as someone in need of protection. She's used to being coddled, being an only child, but it's hard to imagine anything could ever happen in her small-town, normal life. As her mother's babying gets more stifling than ever, she's looking forward to cheering at the big game and getting out of the house for a while. That night, however, Mana's life goes haywire.