This is a Jinkook family story (Jinkook/BTS are older and the story revolves around their children) Nicholas Jeon is a misunderstood kid, being the only son of a mob boss he grew up thinking that you get everything you want by just taking it. He is being kicked out of his 3rd school in 2 years, and his parents only have one option left. Their best friend and fellow Mobster Namjoon is the head master at a very prestigious Preparatory School, this may be Nick's last chance. Until a group of terrorist's take the school hostage, and they will kill all the kids to get what they want.