In a world where terror intertwines with family ties, two sisters, Eun-Soo and her younger sister, live in an ancient and mysterious home that has witnessed dark secrets. Following the sudden death of their mother, the family dynamic is forever transformed with the arrival of their new father, an enigmatic man who brings with him an atmosphere of tension and distrust. The sisters, still grappling with their grief, begin to experience strange visions and supernatural phenomena that go beyond mere childhood imagination.
As unsettling events unfold, small revelations about the family history come to light. This leads Eun-Soo to try to protect her sister from the imminent danger lurking in the shadows. The house, a prison of sad memories and resentments, seems to take on a life of its own, feeding off the fear and anguish of its inhabitants.
With each twist, the story explores themes of past traumas, the complexity of childhood, and the struggle to survive in a hostile environment. The relationship between the sisters begins to fracture as tension builds, leading them toward a climax filled with horror and despair, where they must confront not only the ghosts of the past but also the truth about their own nature. The film is a journey through fear, sibling love, and the secrets that can consume a family from within.