Who's That Knocking At My Door?

Who's That Knocking At My Door? (2007) is a drama, thriller directed by Yang Hae-hun rated 4.8/10.

There are five lonely souls: Je-hwi, who hides himself from the world. Jang-hui, who is obsessed with certificates of qualification; Byeong-cheol, who believes that he has a fatal disease; and the lovers, Pyo and Romi. One day, a woman who committed suicide suddenly appears before them.