In an seemingly quiet neighborhood, a young couple, Ji-ho and his wife Seon-mi, move into an old house full of charm. However, this home hides dark secrets that will alter their lives forever. As they uncover more about the history of the house, Seon-mi becomes the target of mysterious forces that subject her to strange and disturbing tests of loyalty and submission.
Desperate to save his wife, Ji-ho finds himself caught between love and horror, struggling against a system that not only manipulates the mind but also torments the body. Tensions escalate when a revealing stranger, an old tenant with a dark past, comes into the picture. This character, burdened with knowledge about the sinister history of the house, becomes the key to unraveling the truth.
The plot intensifies with unexpected twists and moments of visceral tension as Ji-ho and Seon-mi attempt to regain their normal life in an environment that soon turns into a living nightmare. Through a suspenseful journey and an exploration of the limits of obedience, the couple faces the harsh reality that love can be a double-edged sword. Will they manage to break free from the house's dominion, or will they remain trapped in its dark legacy forever? The film serves as an unsettling reminder that sometimes the worst threats come from within.