Realizing one of the old illegal Black Operation programs, Emerald Lake, is back up and running, Jack Reacher soon finds out the assassination program is being used to take out him and Bourne, meaning that all of the CIA's toughest agents are set to hunt them down. Even though Bourne and Reacher didn't leave off on a good note last they met, they both know they have to set aside their past with each other, work together and set aside their differences in order to see another day.