Of the first few episodes, the story show the two main characters for timeline of four years.
Story: it show illegal sale of gangsters group in golden triangle of Thailand (story show Burma but I did not see any signboard or poster in burmese language nd people speaking burmese)
Action: It is really fantastic
Music: the drama have few OST theme song but have corresponding background music
Rewatch vaule: the drama is currently on air
I will look the drama to the end. If you want to look the drama in eng sub, you can download the video at dramacool site.