In a small Korean village, an archaeologist named Ji-won arrives to study mysterious burial mounds that have recently captured the attention of academics worldwide. Upon her arrival, she meets Seung-ho, a wise yet secretive local historian with deep ties to the land's ancient lore. Ji-won becomes quickly immersed in her research, uncovering artifacts that suggest a once-thriving civilization built upon secrets and sacrifices. However, as she delves deeper, strange occurances begin to plague the village. Shadowy figures are seen lurking at night, and whispers speak of an ancient curse awakened from its centuries-old slumber. Tensions rise as villagers start disappearing without a trace, leaving behind eerie signs that suggest they have been taken by an unknown force.

Amidst the growing chaos, Ji-won forms an unexpected partnership with the enigmatic Jong-soo, a young man claiming to have been chosen by the ancestors to guard the village against dark forces. Together, they work to unravel the cryptic messages hidden within the artifacts, believing they hold the key to saving the village from imminent doom. Their journey uncovers layers of historical betrayal and forbidden rituals, forcing them to confront not just ancient spirits, but also buried truths that challenge their perceptions of reality. As time runs out and evil closes in, Ji-won and Jong-soo must summon all their courage and resourcefulness to confront the entity rising from its tomb, threatening to engulf them all.