In the spy and assassin world ranking is everything, Startta Sin High School is ranked dead last out of the six schools and has been for the past 20 years because they attract the worst types of students causing the school's reputation to drown in the mud. However, an alumni of this school who is now the owner of the highest regarded spy/assassin agency in the country want's to bring change to this school that holds dear to him. Lane, Simi, and Nol who are considered at the top of this world have been tasked of making this school rank one.