It is a great drama with a heartbreaking story. It makes you think about the world we live in and how people are barely surviving while the powerful and wealthy are taking advantage of it. The saying is right: "Money rules the world." You don't really know what life people are living behind closed doors.

The story is based on real events, and the production team and screenwriter did a fantastic job in their research, even working as a driver for a call girl to tell the story accurately. Well, it is not happening only in Korea but all over the world, but ordinary people have no chance to beat them.

The acting was superb, especially Chang Wook and Bibi. I was so happy to see them together again.

For me, the first half of the drama was perfect, as the second half's storyline was not as good. Also, Dongu became very annoying as he suddenly started to care because his daughter became one of them. They should not have made Gil Ho immortal, as it takes away realism. The fighting scenes were great and very realistic. I loved the Gil Ho knife work. It's definitely a great fast-paced short thriller.