This drama is more plot focused that character focused, and in terms of plot focused dramas, this has to be one of the most tightly, well written plots I have had the pleasure of watching. The story moves along, characters behave believably, neither the bad guys nor good guys act like idiots, information is shared, and when it isn't, the rationales for it not being shared make sense. All in all, this show's plot deserves being taught in any script-writing or show-running classes.

The acting is good all around - again, this show is plot focused, so to an extent you don't expect tour de force performances, but the plot would not move as well if the acting was poor, and thankfully everyone is up to the job in the cast.

All the technical aspects of the show are very good, though the soundtrack, while doing its job, is forgettable. IN terms of re-watch value, the quality of the writing deserves to be savored, but at the same time, a lot of the charm comes in the mysteries unfolding, and once you watch the show, obviously that special thrill is gone. That said, everyone should watch this at least once.