The music club is preparing for the school band competition when suddenly their pianist, Zander Wickham, breaks his arm.
They work quick to find a replacement, whom Zander isn't.. the biggest fan of.
When Gabby falls into the arms of her math teacher's son, Luke Hemmings, and her friend Kaitlyn falls into the arms of Luke's friend, Calum, everything goes insane. Exes come looking for second chances, parties get out of hand, and the band is becoming famous. As their music becomes better know, it starts to go to their heads.