Kim Kibum, better known as 'Key', was your average teenage boy..that was untill his bestfriend disappeared without a word. Ever since then he'd been just passing through life. A year later, his life changed yet again when his parents were hit by a drunk driver and Key was the only one to survive. Sent to live with his Aunt Gibwon who despises teenagers, Key soon finds himself on the door step of Hankuk Academy, a boarding school. Key has no problem with school, it's a familiar face that gets him. One that belonged to someone he'd loved. Key want's to know why he left, what happened...but how can he do that when he's changed completely and seems scared of opening up? How can Key get through to him when he's constantly being gaurded by someone that could easily break Key's arm? And what secrets do the walls of Hankuk hide that makes the students scared to step out of line?