Experiments in biological warfare have destroyed all but a few remnants of the human race. Alone in a lab, eight students work feverishly to create a vaccine before they are forced outside in search for food. It is then that the surviving scientists discover creatures mutated by the plague. Now they prepare to do battle against their worst fear: The Terror Within.
There is a point in the movie where you think the dog does die because the monster attacks it but you see the dog again at the end of the movie and it's it alive and it's wounds are bandaged.