In the household of Lee Gyeong-jin, a high-ranking official of Joseon Kingdom, three sons die from an unidentified horror. A woman pregnant with a child of the third son soon learns of the evil spirit that haunts the house.

Min-seok has a crush on a regular customer. His crush evolves into love that eventually devolves into a dangerous obsession. When his crush fails to come to the cafe, he becomes increasingly worried and sneaks in to check on her and kidnaps her.