It is five years since Kate was in Atlanta with her childhood friend, Justin Bieber, Kate learns of her mother that she'll be staying with Pattie during the summer, which means that she will meet Justin. Both of you are nervous, but summer starts fine.
Justin's best friends with Ryan, Kate also feel Ryan and they are neighbors and good friends.
Ryan know that Justin usually always 'play cool' around girls and Justin tries to put a encountered Kate. Will he succeed?
And a secret Kate has is that she is a fan of the famous Justin Bieber, no one knows, yet.