Lincoln Hawk a hard-luck big-rig trucker takes us under the glaring Las Vegas lights for all the boisterous action of the World Armwrestling Championship. Relying on wits and willpower, Hawk tries to rebuild his life by capturing the first-place prize money, and the love of the son he abandoned years earlier into the keeping of his rich, ruthless father-in-law.

Combat has taken its toll on Rambo, but he's finally begun to find inner peace in a monastery. When Rambo's friend and mentor Col. Trautman asks for his help on a top secret mission to Afghanistan, Rambo declines but must reconsider when Trautman is captured.