"Welcome.... its your first time at a school like this, isn't it?" Moorim means Martial Arts World. So Moorim Institute is a school that teach their student Martial Arts. Moorim is mysterious, eventhough the school itself shows up on GPS, yet not everyone can find its doors. They're not places for wizards, they're people who teach martial arts with motto "virtue, honor and sacrifice". But why the school itself sound mysterious?

Wang Seona, the daughter of headmistress Yeong (known as Hwang Seona 29 years ago) and also daughter of Wang Chiang, president of big company called Shanghai Group in China. She caught herself being famous in one day due to most famous idol fangirl attack incident, but Bangtan isn't just a normal idol. One of them is been chasing by Jeokpung, evil spirit that Seona thought was just a legend of Moorim Institute. Until Jeokpung does something that almost killed all member of Bangtan and forced her dad, Wang Chiang to bring Bangtan to Moorim for the sake of their safety. 

Day by day, knowing the arrogant member of Bangtan, Jeon Jungkook makes she realized why she'd been live with bodyguard in her surroundings. Secret by secret has been revealed and dangerous is chasing them. 

Would she stop it all and saved Moorim? Would she protect her family? Would she be strong enough to do it alone?

Come to Moorim School!