Wish Kdrama/Kmovie industry would explore the animism and shamanistic part of their cultures more just like Japanese and SEAsian horror movies do. Korean industry had such a strong horror game back then but now it's just so meh. There's barely anything :/
Oh wow the whole comment section missed the point of the movie. It's neither about abusive nor cheating. It's about communication and how without one, your relationship is doomed.