Dr.cheon is the eldest grandson of cheon family of shammas.He is incredibly talented in making talesman compared to his younger brother, but is not interested in becoming the heir. Dr.cheon's grandfather is a gifted shamman and chose his youngest grandson as the next family shamman, There is an evil guy who practices black magic ,He grew his power making use of human sacrifices. He is head of a cult and those people kidnap and kill civilians, retrieve their finger and makes an instrument which the villain use to control people temporarily to achieve what he wants to do. The villain strategically eliminates all possible threats which include shammas with good conscience and their gifted heirs, gifted individuals who posses ability to see the supernatural born outside the shamman lineage. They are the only people capable of putting up a fight. Dr.cheon is not aware of these facts for about 3/4th time of the movie. What he knows is that, his younger brother went missing and his grandfather found a evil talisman in his younger brothers pillow. Following this his grandfather and assistants performed a ritual in hope of finding the lost child and he witnessed that the villain they are after is incredibly strong. Later his grandfather located a cave inside a forest and found his lost grandson still alive there tied up. the villain possessed the body of the child and sneak attacked the grandfather. Grandfather untied his grandson and used a special talisman and his sword to lockup the evil guy but it was only half successful, his sword broke and the villain tore the talisman into two pieces . The villain killed the grandfather and grandson and used his cult followers to dispose their body faraway in a reed field, Dr.cheon and his grandfather's friend found their corpse in the reed field. They know they are against something very strong but have no idea where to find their enemy or the fact that there are civilian cult members aiding the villain. Dr.cheon under the pretence of exorcism travel from place to place to find any traces or clues, but he never encountered a real spirit, most of the cases were psychiatric cases and to bring peace to them he does fake exorcism and earns his living. He is always searching for news about supernatural encounters hoping he might find some clues. His efforts didn't go in vain, he encountered a genuine case which led him to eventually kill and imprison the soul of the villain inside the talisman which his grandfather made and this time it was a complete success. He also saved his client who happen to have the divine eyes to see spirits and ends up hiring her.