The world's top bodyguard gets a new client, a hit man who must testify at the International Criminal Court. They must put their differences aside and work together to make it to the trial on time.
Barney augments his team with new blood for a personal battle: to take down Conrad Stonebanks, the Expendables co-founder and notorious arms trader who is hell bent on wiping out Barney and every single one of his associates.