After a fall from grace, the perfect and popular Kacey Simon forges an unlikely friendship with the band Gravity 5. As their new lead singer, she ignites a musical rivalry between her new band and her old band, The Perfs.

When Gravity 5's hangout is messy beyond repair, they start a bet that challenges each of them to give up their favorite habit and the last one standing gets to watch the others clean.

When Justin Cole, the most popular guy in school, hands out invitations for the biggest party of the year, Kacey stands up for Gravity 5 to be invited too. But now, she feels pressure to make sure they fit in with the cool kids.

When Zander enters a school art contest to impress a girl, Kacey offers to "help" by being his muse. Unfortunately her attempts to help aren't helpful and when she breaks Zander's Magnum Opus, she must find a way to replace it.

After The Perfs' music video goes viral, skyrocketing them to school-wide fame, Kacey rallies Gravity 5 to make a video of their own to out-do The Perfs. But, Gravity 5 doesn't exactly share Kacey's vision for the video.

Kacey runs for class president and promises a performance by Big Time Rush if she wins. After a string of crazy events, Kevin is also in the race, and Kacey is left to make a tough decision between winning and friendship.