Overall:
What an incredible crime drama. It started off high & consistently made you question your decision of who the suspect was. At one point you would believe it was "suspect 1" but then a few episodes later you would change it to "suspect 2". Usually in most crime dramas you could figure out who the suspect is pretty quickly. However, in this case they made you work for the answer which made me personally want to continue watching.

This drama also makes great use of the 16 hours that it is televised for. There is not a single minute wasted - if you happen to not pay attention for a few minutes you might be lost at what is taking place. Hence, do not use the fast forward button while watching this drama.

The writer did an absolute wonderful job intertwining the crimes together - things you believed did not make sense at the beginning, started to towards the end.

Acting:
I never actually watched any of Yoo Seung Hoo's dramas before but he was absolutely amazing in this drama. He made you believe in the persona he was giving off with such ease. The other actors/actresses were also quite amazing but to me Yoo Seung Hoo definitely stole the show whenever he was on the screen. The way he showed anger & pain during the cases made you believe that he could actually see the memories of those that he touched (he is able to read people's memories).