Extremely frustrating, but I just kept wanting to watch! only watched it because of one of the female leads, sim su ryeon, a true hero and legend in my opinion. A mother that greatly cares for her children and is righteous at heart. Does what needs to be done to protect her children, and to have justice return. She was the only character who was almost perfect and good in every way. All characters besides her were neither good or bad, but very dimensional. There were only a couple where I felt, ok these guys came straight from hell! But seeing more of their background, it starts to make more sense. It was very sad some of the characters stories, and extremely frustrating how bad they were communicating and misunderstanding each other. Their view on others and life seemed so small, it became insufferable. But nonetheless, very well acted, and a story worth watching. The twists and turns and revelations and schemes were breathtaking, and seeing justice finally come was satisfying. You never know whats happening next, which is what makes you want to keep going. If you watch this, I tell you, I wish you patience and calmness because it is likely gonna make you extremely angry and frustrated. But eventually relieved.