This drama is an adaptation on a webtoon of the same name. The series is a mystery fantasy drama about a police profiler and a prosecutor’s attempts to uncover secrets surrounding items with special powers. Kang Gon (Ju Ji-Hoon), who get involved in a corrupt case in his department. Kang Gon is a prosecutor full of justice and a warm heart but has a soft side for his niece Da-In. In order to save his niece, Kang Gon jumps into a conspiracy surrounding an item having supernatural powers.