At the beginning of the film, Barney Ross (Sylvester Stallone) leads old comrades of the suicide squad Lee (Jason Statham), Gunner (Dolph Lundgren) and others to hijack the train in a helicopter and rescue the imprisoned doctor (Wesley Snipes). After a short rest, they went to Somalia to sneak into the nest of an arms sales organization to carry out a mission. Unexpectedly, Barney discovered that the leader of the organization was Conrad Stonebank (Mel Gibson), a comrade of the suicide squad who was supposed to have died. After a fierce exchange of fire, Stonebank managed to escape, while the death squad suffered heavy losses. After this battle, not only did the military and the death squad hide a sense of anger, but even Stonebank was completely angered. The strongest tough guy faced a life-and-death duel...