The Perfect Killers Collide

It started at three, three perfect killers thrown into a mission all bouncing off of one another to take out the big three of a leading company in Seoul, as time ticks by their hirer sends in more units, more assassins, more people to add to the jumbled pile of hitmen, as things start to finnaly fall into place, something happens that throws them all a curve ball, how will they be able to come back form it, how will it affect their trust in one another, and how will they deal with the aftermath of their jobs