Six friends, while vacationing in a tropical paradise, stumble upon an abandoned military lab, hidden under an ancient temple. They find themselves confronted with the undead aftermath of a crazed ex-Nazi doctor’s human experiments. While desperately trying to escape, they must avoid a gargantuan zombie, whose rudimentary intelligence and extraordinary strength diminishes their chances for survival. Just when they think they have overcome all odds, they discover that a mad scientist continues the Nazi experiments with the goal of succeeding in creating a super soldier. Determined to keep his demented work a secret, the madman is bent on their demise.