When straight arrow FBI agent Roy Clayton (Guy Pearce) heads up the investigation into a dangerous international conspiracy, all clues seem to lead back to former U.S. Special Operations officer, Samir Horn (Don Cheadle). A mysterious figure with a web of connections to terrorist organizations, Horn has a knack for emerging on the scene just as a major operation goes down. Obsessed with discovering the truth, Clayton tracks Horn across the globe as the elusive ex-soldier burrows deeper and deeper into a world of shadows and intrigue.