To start with, this drama was a killer!... the first episode blew me away... from the tension , the eerie vibe of the location and the surroundings.. The story line was very amazing, didn't feel slow or boring throughout the drama. And the fact that it had only 10 episodes was kind of a bummer, because it was sooo good!... Each character had their ups and downs, and some of the actors played their roles so well, that I hated them to the core (by the way, you will find some annoying characters). I have to talk about the main female lead, she was on fire!!.. If she is in a scene you know its gonna be epic.... At first I thought it was gonna be just a drama filled with jumpscares, monsters, survival.... but it took me on an emotional ride too (did not expect that!).. Like how the human emotions play a very big role in one's survival... The male lead played the emotional scenes with a great sense of agony, pain and anger, something that normally people don't understand. I mean WOW!!! (I'm kind of an emotional person, so this part stood out a lot for me.. personally)... His life story plays a big part in his character's strength.... I'm sooo waiting for the second season. The gangster character gives the drama, its kick, a dark shadowy fearless tough character fighting against monsters with his bare hands.... Damn!!.Look forward for his character too. On top of the amazing cast and screenplay.. the vfx and the ost were on point!!... the ost gave each scene that extra power and fire...This is the first time that I fell in love with the ost form a horror drama.. You can check it out, even before you watch the drama. It's that good!.. my favorites were Side to side -Bewh Y and Warriors - Imagine dragons(Use headphones for a better BOOM!!)... If you are gonna watch this series, believe me you would want the second season to come out faster.