one of the amazing korean movie so far. I regret not watching this movie in the cinema. the plot and story is really amazing. the promotion poster are totally different with the story... just my opinion.. but why action part is too sudden? i don't expect it will be like that but its don't bother me to watch it... the story in the jail is really disturbing for me.. how he be treated there. ahh poor ji changwook :(... and the hackers scene is really awesome.. i love how all the hacker team doing their job to save his friend... good