Truly a gripping drama from start to finish, consistent in its writing and characterization. So much of it felt original, from the relationships to the storyline to the revenge angle. Like many other dramas, it examines the corruption and injustice of South Korea's law enforcement and prosecution, a forever timely subject considering how easily the rich and powerful evade consequences for their sins. "For people like us, a crime isn't a crime. It's a mistake." I think any mystery fans would be impressed with how well this one smoldered. I really can't recommend it enough.