Kim Yoojung is the most smartest and caring girl in Pledis High. Everyone adored her. One day she saw someone getting beaten up so as she is a caring person, she stepped. But what she didn't know was the consenquences of helping the boy, Jang Doyoon. Getting caught up with the kingkas, Seventeen. She didn't know her life would be turning into a living hell because of them.  

You were just roaming around the streets of Korea. You heard some noises, it sounded like a gun shot. As a curious girl you decided to check it out. What if you accidentally saw something you weren't supposed to see? Just that day were a regular girl and now you're a gang girl?! Yes you're now in a gang called Seventeen. Oh who knows what could happen next.