An adept of Magic. Trained as one of law enforcers. A puppet of avenging ghost? Or bringer of justice? IN LATE EIGHTEENTH-CENTURY ST. EXPEDITE CITY, Melisse H. Quincy, a talented witch and junior detective student at Holmes Academy. Together with her teammates at her class, they need to solve a case that never been opened again. When they dispatch themselves to investigate the crime seen, Melisse noticed an injured man, the ghost. The ghost followed her. It use junior detective's body at night to kill eight masterminds of the crime. Waking with strange clothes and body pain was very mysterious to her, but she has an ability to knew everything. When her teammates learn the truth, will they help her for justice? Or banish him and solve the case in ordinary way?