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.
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.