When the CIA's top asset -- his identity known to no one -- uncovers agency secrets, he triggers a global hunt by assassins set loose by his ex-colleague
Court Genty codenamed Sierra Six (Ryan Gosling), a gray man working for the CIA, was sent to kill a bad guy, Sierra Four, in Bangkok and found that he has dark secrets about the agency in a pen drive. Sierra Six kills him, takes it and runs away. So, their boss Denny Carmichael (Regé-Jean Page) appoints the psychopathic former colleague Lloyd Hansen (Chris Evans) to kill Sierra Six and bring back the proof. What are those secrets? Did Lloyd kill Sierra Six? What happened next? These will be answered in the main movie.