Scarlett's best friend is Josh. He is on tour with One Direction, who's support act are 5 Seconds Of Summer, who are Scarlett's all time favourite band. Josh invites her on tour, where she meets them and gets a close friendship with one if the 5SOS boys (She doesn't get with them... Just a head up.) When she returns home there is a bit of bother waiting for Scarlett, but the boy are there to help her, right?
I actually never realised how awful I am at writing these descriptions... my bad