Doil’s stint in the army is nearly over, and he looks forward to returning to his a fiancée and baby boy. While on leave, however, he discovers that the baby isn’t his. To make matters worse, his fiancée takes off and leaves him alone with the baby.

Sang-yeon is a confident and talented political reporter who must achieve everything as planned. After a long wait, she gives birth to twins, but when her second child is diagnosed with a developmental disability, her life changes completely.

Three horror stories, with each set in the past, present and future.

“Nothing changes.” These are the last words of Jinsoo, a young man suffering from brutal bullying at school, before he takes the fatal step that sets off a rather unpredictable sequence of events in this startlingly honest film d’auteur.

After watching an occult film, Leon goes on a date with Jinju. Soon after, his sick uncle tells him that Leon had performed an exorcism as a child. Upon hearing about this past event that he can't remember, Leon shares the fascinating story with Jinju. However, her reaction is not what Leon expected.

When a crime organization from North Korea crosses borders and enters South Korean soil, a South Korean detective must cooperate with a North Korean detective to investigate their whereabouts.