Kim Yongsun is the best secret agent in her company, or she is just the one who looks young enough to pretend to be a high school student. She was sent to the usual high school to steal secret files. But beforehand Yongsun has to get close with Moon Byulie, the potential owner of the files. "Of course I'm in," Yongsun immediately agrees. She has no doubt that it would be the easiest mission she has ever had. If she only knew how wrong she was.

Yerin and Sinb are classmates, or if to be more exact classhaters. They hate each other, because one is better than the other, and their school life becomes a competition. It lasts until Yerin got bitten by some vampire. After this her life becomes the real hell, because she gets too many problems with her vampire ego. She is the one, who is called Evlavios. Yerin finds out that every vampire and human wants to kill her, but on top of that, she realizes that Sinb isn't that bad as she thought

What would you do if your girlfriend suddenly disappeared? After a car accident Wendy Son is finding out that her girlfriend, Irene Bae, is nowhere to be found. Actually she is aslo finding out that no one remembers Irene... No one, except her. Is she mad?