In a post-war Japan, a small fishing village becomes the setting for a dark mystery following a series of inexplicable disappearances of its residents. The story follows a young investigator who arrives in the town hoping to uncover the truth behind these unsettling events. At first, the local people are reluctant to speak, as if shrouded in a veil of secrets.
As the investigator delves deeper, he learns that the community lives under the influence of a powerful and feared local leader, who manipulates the inhabitants at will. In his quest, the young man begins to unravel a web of betrayals, greed, and ancient legends that speak of a dark sacrifice related to the sea. What initially seemed like a simple case of disappearances transforms into a terrifying journey into moral corruption and human desperation.
Throughout his investigation, the protagonist forms a bond with a woman from the village who also yearns for the truth, and together they find themselves caught in a dangerous game that pushes them to their limits. The atmosphere of tension escalates as loyalty and betrayal unravel, revealing that the greatest monsters do not always dwell at the depths of the ocean, but in the hearts of people.
The climax is a shocking blend of horror and revelations that leaves the audience contemplating sacrifice and the nature of humanity.