Captured international assassins are locked up inside a high-tech bunker known as the Killing Chamber. To break out of this concrete hell they must duel each other, fight deadly ninjas and battle against gangs of masked maniacs. And... if they survive this, they will have to confront Snakehead: the lethal, deranged top dog who will stop at nothing to kill 'em all!
A violent gang is abducting and killing women around Thailand. Sanim and his friends, having had loved ones abducted, have joined together to break the gang of kidnappers. In a botched kidnap attempt, Deu is saved by Sanim's crew. After learning their unique martial arts style, Deu helps lure the gang into an epic battle to save the women across Thailand.