(Contains spoilers)
Overall it's a good drama to binge watch. The storyline is interesting. Amazing how by the end of the drama the "cleaners" lead their life as they wanted to. The characters were nicely portrayed. The motherly instinct, the dreams to be fulfilled, marriage and most importantly the money aspect of the society and how it affects relations was shown. It showed how painful poverty is also at some point it portrayed how having money makes you greedy for more. The emotional involvement is great. Honestly, there were scenes where I found myself tearing up and crying. However, I did feel a lack of substance in the drama. It did have me gripping on how things will turn out but somehow I felt as if they were dragging the same plot over and over about how they tackle the "captain" (antagonist). Similar things kept happening regarding what the captain did to the protagonists. At the end of the drama they showed how everyone was leading their lives and gave them a closure but they did not show what happened to Oh Dong Ju.Yet it is a good one , it is refreshing. You should go ahead and give it a watch.