Two words,Black Mirror.If you like it,watch this too,it could easily be a part of it.One of the few dramas that made a deep impression on me (I watched it more than a year ago) and in all honesty,other kdramas seem simply childish when koreans can make stuff like this as well.No pretty clothes,cute faces ,cars and stuff.Just suffering and happiness,hell and heaven and how far would you go to get there.Also the acting is pretty impressive,I wonder why I haven't seen this actor more,he is very natural.