One day while overseeing a documentary crew filming his blind father at work, Im Dong-hwan gets a phone call that his missing mother’s remains have been found after forty years. Determined to find the truth of her disappearance, Dong-hwan embarks on a twisted odyssey through his family’s traumatic past, uncovering dark secrets along the way.

Jeon-mo is a former firefighter and a passionate father of his two little children. One day his life is collapsing when his daughter is missing. Before Jeon-mo is able to call the police, ...

After Hee-jin's younger sister So-jin, who is possessed by a spirit,disappears,the neighbors die one by one and a secret underlying their deaths is revealed.