I'll be brief as there is not reason to over analyze the complete and utter inability of this drama's writer to conclude the plot in a reasonable manner.

As many others mentioned in their reviews and on the comments this drama started with a very promising and interesting mystery sci-fi plot to end up in a mess that made me for the fist time in my life to put on hold and then drop a drama two episodes before the finale.

And that because the plot kept on raising more questions than giving answers. By the end of 8th episode there were so many plot holes and paradoxes, incomprehensible scenes and events that I found myself losing all kind of interest about the fate of the characters but also not even interested to keep watching it as nothing up to this point made any sense.

If you plan to watch it, avoid it even if the first episodes look promising. You are going to waste your time.

3 out of 10 from me