I believe it is a good kdrama that makes you think about the money situation in Korea although I would say that the characters are not always true to themselves and they eventually start making choices that benefit the plot instead of themselves.
The character's backstories are definitely interesting but I wish they could have gone into more detail about it - an example is Ali's backstory, we know he went to Korea to make money and that he had a wife+child as well as that he worked in some sort of factory but, other than that, we don't really know much?
Hopefully, if they decide to do a second season, they will give more thought to all of this.

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