Can't believe this is rated so low ; as someone who doesn't have much stomach for thrillers this show has enough thriller , revenge , comedy and romantic-sparks considering the backdrop and the timeline of the story.

Although at times the logic of writers is scornful and predictable ; you will still accept the progression of the plot. Both Krystal and Dong-Yoon has performed well and I blame the writers for not adding more interactions between them and their history would have definitely made the story more interesting . Krystal only seems to choose roles in uniform that need no romance and this suits her well.

Special mention to Da-Yeon and he reunion with Dong-Yoon after Tale of Nokdu ! Also Yoon Park and Yoo Seung-Joo really made us hate them. Also loved the banter from the maknae under Dong-jin . RIP Leo and Maek is an angel and smarter than the writers and other cast !

Just give it a try! you will like but definitely not disappointed

I only stumbled upon it when browsing through Viki and decided to jump in since it was nearly finished. Thankfully, I had no expectations for it ahead of time and that paid off. I expected thriller/suspense but after the first episode, it was clear what they were going for. If you get easily scared and like thrills, you'll love this.

The cast looks really great, but I must say the acting for most were pretty mediocre. I wasn't convinced by anyone of them, apart from Lee Jun-seong. He did a pretty decent job.

For me, it works as background noise and I found myself fast forwarding a lot. Not the worst I've seen, not the worst either.

[spoiler] The action scenes themselves were ridicilous. Especially the shootouts inside of the bunker near the end. you stand two meter apart, blast off with full auto and miss a target straight ahead of you? I lol'ed. It was so bad it became hillarious. [/spoiler]