She would never thought that helping her cousin's friend whom she just met for a few hours would make her life this miserable.Kwon Yuri,a 19 year old girl who just graduated from high school decided to have a vacation in one of her family's private island before enrolling into a university when coincidentally,her cousin had arrived at the place earlier than she is.Not alone though as she brought some friends along with her.At first,Yuri was really happy to have someone around to hang out with but little did she know,that happiness didn't last long...(well at least for her).