Arthur Bishop is a 'mechanic' - an elite assassin with a strict code requiring professional perfection and total detachment. One of an elite group of assassins, Bishop may be the best in the business - with a unique talent for cleanly eliminating targets. When Harry McKenna, his close friend and mentor, is murdered, Harry's son comes to him with vengeance in his heart and a desire to learn Bishop's trade, signaling the birth of a deadly partnership.

A genetically engineered assassin with deadly aim, known only as "Agent 47" eliminates strategic targets for a top-secret organization. But when he's double-crossed, the hunter becomes the prey as 47 finds himself in a life-or-death game of international intrigue.