Kim Kitae is a man who hates ghosts more than anything in the world, but he has the ability to see them.
One day, he’s harassed by the ghost of a naked woman in a packed subway, and she tells him:

“If you accept my condition, I’ll drive away all the other ghosts for you. But in return, you and I…”

What is this ghost saying to me? But… if I sleep with her, will I really be able to live a normal life?

In order to free himself from the ghosts that torment him, Kitae decides to accept her offer…