SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
The Gray Man Summary and Synopsis
When the CIA’s most skilled mercenary–whose true identity is known to none–accidentally uncovers dark agency secrets, a psychopathic former colleague puts a bounty on his head, setting off a global manhunt by international assassins.
Source: Wikipedia (CC BY-SA 3.0).