The mercenary group, The Expendables, led by Barney Ross, come face to face with the team's co-founder Conrad Stonebanks. Ross was forced to kill Stonebanks after he became a ruthless arms trader, but Stonebanks survived and has now made it his mission to destroy The Expendables. Ross resorts to recruiting a new and younger generation of Expendables to help the team overcome his old adversary.