It's a spy-within-a-spy type of movie, but with a sniper as the main character. Bob (Mark Wahlberg) is a retired American sniper. Bob (Mark Wahlberg), a retired American sniper, is enjoying his post-retirement leisure time in Arkansas, when he is visited by his former boss, who wants him to accept a new assignment - to act as an invisible sniper to protect the president on the day of the president's speech on the street. Although a hundred thousand reluctant, but can not help the boss's lobbying, Bob finally agreed. On the day of the president's speech, Bob was carefully observing the surrounding situation, suddenly the venue was attacked by gunmen, the president's side of the clothes Sopia bishop was killed. Bob is being chased by the police as if he were the assassin. Knowing that he has been made a scapegoat, Bob struggles to escape after being shot twice. Bob's only way out is to find the real culprit and clear his name.