Kim (played by Choi Min-sik) works as a geomancer, offering advice to people about where they should bury their deceased relatives—it’s all based on feng shui principles. It's said that trouble can arise if things aren't done correctly; disturbed ancestors might seek vengeance, as one unlucky grandchild discovered when he tried to keep his grandmother’s dentures as a memento! The wealthy Park (Kim Jae-cheol) and his family are dealing with a mysterious problem, and they turn to Kim along with the spiritually attuned Hwarim (Kim Go-eun) and Bong Gil (Lee Do-hyun) for assistance. Even in the United States, the family is experiencing supernatural disturbances. Their search leads them to an isolated hilltop grave marked only by a simple headstone bearing seemingly random numbers. The man buried there was clearly significant, so the fact that his burial site wasn't ideal—scoring just 65 out of 100 on the preferred plot scale—raises concerns. They decide to unearth the uniquely crafted juniper coffin and cremate it, but doing so in rainy weather is considered bad luck, so they leave it respectfully covered, intending to finish the cremation the next morning. This proves to be their initial error; overnight, a curious member of their team inadvertently unleashes an even more frightening entity seeking retribution against those who abandoned him at that location. Their difficulties don't end there. Upon returning for a ritual, they find a larger box buried vertically—also without a name. The film then shifts into something akin to "Mummy," and the plot really gains momentum. Will they be able to figure out this immense threat and stop its centuries-old plan? I found it quite entertaining. It combines an intriguing blend of mysticism and folklore, while also incorporating a touch of modern cynicism (they receive relocation fees exceeding $500,000). As the narrative unfolds, you wouldn't want to be a chicken—or a pig! The predominantly dark and damp settings complement the restrained use of visual effects, and a strong cast keeps the story of dreams and nightmares flowing smoothly throughout its 2¼-hour runtime, delivering well-made and occasionally frightening ancient horror.

Source on TMDB