I'm sure everyone has this experience. You had a happy dream but you don't remember it at all. Or you had a nightmare and it felt so real as if it was a reality. Or the reality was just so harsh that you just kept on sleeping. This story has been created for those people. (Source: KBS World TV)
Interesting concept, questionable execution. It tried a bit too hard in a blaring way with its cinematography and soundtrack that sometimes it ended up backfiring.
