I believe the writer got a personal problem against Min Joo. Everything and everyone hated her, the universe is against her for no real reason. This extends as well to most of the "good" characters where they are constantly being punished and are in pain while the not-so-good characters barely get anything in their way. The writer as well seems to be easily distracted and lack attention to details and overall consistency. I've seen other projects from the same writer and this drama is easily their weakest one so far. I didn't like any of the pairings they all felt miss matched, maybe except Mi So she was fine. Some side characters were often neglected for too long and whenever they come back their appearance was meaningless. There are plethora of other problems, it's hard to list everything. Can't think of a reason to recommend it.