I rarely gave 10 in most areas as I did with Signal. Oh, Signal. Even the title is a bit of a plot giveaway. This crafty masterpiece is the meaning behind marathoning these episodes with endless cliffhangers. It is a well-executed series with actors that have not seen before in my eyes. These actors are pure talent and not only this, the series have excellent background music that gives you eerily feelings in between scenes. You hardly see dramas that keep you going from episode to episode to the end before you know it. This drama does just that! I think this drama is a gem in the hidden mine, waiting for those to discover it, to know it's true beauty. I rarely watch psychological and suspense crime dramas that are not top-rated. I am always afraid to be disappointed by the time the end episode is released. This is where I normally drop the dramas and cannot go back after a long period of time, if lucky. However, this series left me on a note wanting more. I have to tell you all, you will not be bored with any of these episodes and you will feel like each episode in this drama feeds your craving "just right". Not the Got7 way. If you find the first episode not intriguing, do not let go of this drama. I guarantee you that by the next try, you will be forever hooked and on-edge. BEST KOREAN SUSPENSE CRIME DRAMA OF 2016! Nothing more, nothing less.