Jamie Hartefield and her sister Mary moved from America to Korea but when they do they end up going to K-High but while they are there Jamie ends up being a Bad Girl. Mary is popular and pretty but not smart but Jamie is the exact opposite even though Jamie is pretty she's edgy but is only popular for bad reasons while her sister is popular for good reasons and even though they are in a school with 4000 students Jamie is ranked #1 while Mary is ranked #3999. But then you meet BTS a group of popular boys at their school, they start to be mesmerized by Jamie since she doesn't take any of their crap. But after fighting with them you guys become best friends. But what they don't know is that Jamie is a rich heiress and since she the oldest out of her siblings she will inherit everything her father has.