Neagley and Dixon discover shocking information about an old friend in Denver while Reacher and O'Donnell learn more about the nefarious and mysterious A.M..

As the team close in on Langston, two members of the 110th face danger, compelling Reacher to devise a dangerous plan to rescue them.

Reacher and Neagley make a final desperate attempt to save O’Donnell and Dixon, stop A.M. and avenge their friends’ murder.