Kriesha Dickson is a teacher who applied to teach on her alma mater which is Royal Academy. May nakakakilabot siyang napagdaanan sa akademya na rason kung bakit niya gustong magturo doon. At yun ay ang pagkamatay ng kaibigan niyang si Alex by jumping from the rooftop of the school and the relation of it to Royal Test Card na naglalaman ng mga sagot sa bawat exam ng akademya. As she started to teach there, nangyari ang di maipaliwanag na pangyayari sa akamdemya. At yun ay ang sunud-sunod na pagkamatay ng mga estudyante niya sa Class 1 by jumping from the 7th floor which is the Science Laboratory Room. Suicide ang conclusion ng mga pulis. But Kriesha and Harris Johnson, the Science teacher will try to unravel the truth about the case. They wanted to prove that this is not a suicidal case...but a murder. And their clue is the existence of the Royal Test Card.