Now unconstrained by an official post, Steve Bannon is free to peddle influence as a perceived kingmaker, who some say still has a direct line to the White House. After anointing himself leader of the “populist movement,” he travels around the North America and Europe spreading his hard-line anti-immigration message.

Veteran Secret Service agent Frank Horrigan is a man haunted by his failure to save President Kennedy while serving protection detail in Dallas. Thirty years later, a man calling himself "Booth" threatens the life of the current President, forcing Horrigan to come back to protection detail to confront the ghosts from his past.