A brutally murdered body is discovered on a quiet town in Korea -with a mysterious letter beside it.

A victim was a beautiful young woman, throat by unknown assailant. The circumstances of the murder suggest an ancient fairy-tale.

The same place is linked with Korea's ancient fairy tale 'Jiknyeo and Kyeonu'

You are the friend with the girl who was murdered. You are staying with Byun Baekhyun, one of the top trusted officer.

The race is on to stop a deadly serial killer who will do anything to get a true version of the story...