A detective investigates a forgery ring from Korea that is historical. From the year of Jeonjo's predominate, Joseon's top detective, Kim Min, that used to be considered a King messenger, has been relegated to a remote island to get several unclear explanations. The only real visitors are Seo-pil his partner and a new girl, that comes every day to ask him to get her younger sibling. Kim Min appears to know a rumor that imitation silver bars have been distributed, which awakens his expressive faculties. The investigation conducted by this couple of detectives is, always interfered by hisako, a beautiful woman with her individuality unknown.