Characters Addy, Jade, Mariah, and Katie are from a small town of sort. Being introduced to the internet they meet five or so more people.
Cameron, Nash, Matt, and Hayes have been making vines and YouTube videos with five or so more friends.
Cam being the oldest makes a bet with someone and that's to make a female version of their group.
Can they do it? What will happen when they meet? How will Addy, Jade, Mariah, and Katie react when they meet Cameron, Nash, Matt, and Hayes? Will they be friends or hate each other?
How will management react when they meet the girls? Will they make the girls date one of the guys?
Well to answer these questions, you'll have to read the book.