It is probably one of the best detective fiction i have watched yet.The star cast of the show is totally amazing,still in awe of songseungheon i don't think any other actor could play it better than him,role of a cold-hearted guy suits him.The writers of the play did a great job but at times it is too much to take in at once and the one who is watching feels lost at some parts.But the actors and the crew members hard work put up their best.Overall i enjoyed watching it and i would suggest it to others too.and thanks to the makers for representing BLACK to us. :)