After receiving a call from her department, Elysian, a famous and gifted detective, decided to take the mysterious case; the oh-so-called, "Perfect Murder. " Shockingly, there were no other evidence found in the crime scene aside from a book where she'll get more questions as an answer to the puzzle. Strange events started to occur when she started to investigate. Rave, a bright-eyed rookie prosecutor who's having trouble with his faith, decides to team up with her. An ally for justice.