Ex-government operative Bryan Mills finds his life is shattered when he's falsely accused of a murder that hits close to home. As he's pursued by a savvy police inspector, Mills employs his particular set of skills to track the real killer and exact his unique brand of justice.

Having been discharged from the Marines for a hayfever condition before ever seeing action, Woodrow Lafayette Pershing Truesmith delays the return to his hometown, feeling that he is a failure. While in a moment of melancholy, he meets up with a group of Marines who befriend him and encourage him to return home to his mother by fabricating a story that he was wounded in battle with honorable discharge.