Story: The story is good. It kept progressing with each episodes. If you have first few episodes then you will know that this drama is focused of ML. The story is not that unique but the execution is done really well. The main focus of this drama is thrill and mystery and romance is really not there.

Characters: DWJ- The Main Lead of this drama. He is cunning, smart, intelligent person who doesn't ehow his emotion. The whole drama revolves around him.

Jamie- She is an intelligent officer from America. For first half of the drama she did useful things then after that she just roam around all the time.

GW- A good police officer who want to do righy things and also has a crush on thr ML.

Acting: NGM is an exellent actor. He did an amazing job as for Seolhyun she was not that bad but there could have been a better choice for that role. As for the actor who plays Jamie, she is awesome. Loved her dynamic with NGM. Whenever these thw are together it was always fun to watch. The supporting actors also did an amazing job.

Overall: This was a good drama. As for a thrill - mystery this was pretty good. It has some flaws but you can just ignore them and enjoy. Every episode will make you feel like what is going to happen next. The ending was one of thr most satisfying happy ending whete the lead doesn't die. This is a one time watch drama. You will definitely enjoy of you like mystery and thrill.