Barney and his team come into conflict with ruthless arms dealer Conrad Stonebanks, who used to be in his team formerly. But now Stonebanks is on the other side of the law and is obsessed with revenge, burning with a desire to destroy the Expendables. Barney decides to renew his team with new blood, recruiting younger, faster and more tech-savvy individuals in hopes to put an end to the old enmity.