I am getting to be more and more severe when rating dramas I watch because I keep seeing same plots repeatedly, over and over again.

This one is just the same: a lone cynical policeman waiting for his retirement fights against corrupted organisation that employs him. This is the skeleton of the plot and then they added some substance on it: the cop is been blackmailed by the murderer who eventually turns out to be a Friend.

Even though I'd seen this plot so many times and even though I am so fed up with eternal corrupted and rotten policemen, politicians and chaebols, I keep watching because when they do it well, it is extraordinary.

The acting was top notch, the plot was seamless and tight, no loose ends, the atmosphere was dark and ominous. We do not know anything about any of the characters with the exception of two main ones. The rest are there, just like shadows used to populate the main pair's background. And their relationship goes on a rollercoaster ride in these 8 episodes! That is actually the most interesting part of the drama: the older policeman recognizes himself in the younger one.

The drama ended on a cliffhanger since there is a second part: which means a 16 ep drama had been split into two parts. What are those americans doing to k dramas?