A boy by the name of Vincent has found the love of his life, but life decided to be cruel and take her from him forever in a horrible accident. He moves in with his grandmother to start completely over; new school, new people, new everything. Once he gets to the school, he wanders into a 'forbidden' part and finds an area that was different from others... very different. A place full of the paranormal wonders who have also decided to study in the very same place. However, there is one person there he recognized. His one true love.

A killer is on the rise claiming the lives of more and more victims each week. One of the most successful teams in world of preventing and stopping crime is brought together once again to stop this killer and prevent him from getting his next victim and one of their friends, Jung Hoseok. What if they discover that this killer isn't what they think he is? What if the killer starts turning them all on each other? What if the killer is hiding right in plain sight?