As a child, young Si Mun, a grandson of a famous monk, had the ability to see - and communicate with - soul, ghost. His grandmother gave him a talisman to temporarily dismiss that possibility and erase his wits regarding the supernatural phenomena he had ever met. Years later, Si Mun is extremely busy, with the job of detecting for the murders of the Korean police force. Your grandmother had long passed away - and the power she sealed seemed to wake up ...