A group of off-duty soldiers are recruited to escort an Army Intelligence Officer to investigate a Cobra Industries facility and get more than they bargained for.
The Joes track an escaped Cobra bio-viper into a near by town and must eliminate it while also being hunted by the military for a crime they didn't commit.
Tunnel Rat is kidnapped by Scrap-Iron and forced to test a brainwave-controlled weaponized exo-suit; in order to rescue him, Roadblock allows himself to be taken as well.
While buying parts for the Coyote, Duke is arrested and taken to prison; the rest of the Joes must break him out before Flint and Lady Jaye track him down.
With the help of an inside source, the Joes infiltrate a Cobra stronghold where Mindbender and McCullen work together to produce the ultimate exo-armor weapon.
The Joes locate a bio-viper manufacturing facility and are met with resistance from Firefly, a Cobra saboteur who threatens to burn the surrounding town to the ground.