When the eldest grandson of Mr. Kang (Choi Seong-ho), a prominent local figure in the village of Suri in Hwanghae-do, becomes afflicted with a mysterious, life-threatening illness, the entire household is plunged in anxiety. The imminent death of the direct heir to the family name is a serious matter indeed, since the Kangs have a history of seeing their sons die young a fact that has resulted in a household teaming with widows. The family matriarch (Hwang Jung-seun) calls in the most famous shamans and has them perform healing rituals, but the illness shows no sign of improving. The family steward recommends that they bring in Ok-hwa (Yoo Ji-in), who is renowned for her extraordinary spiritual powers. While she is performing the ritual, a large snake drops down from the eaves of the house and causes a commotion. Amazingly, the incident brings about a dramatic improvement in the condition of Mr. Kang's grandson. The household buzzes with glad excitement, with everyone clinging to Ok-hwa and asking her to cure the disease outright. But Ok-hwa searches all around as if possessed by a spirit and discovers a sinister-looking gourd bottle buried deep in the ground in the pine forest. Th…