After halting the enemy advance across Europe, the war continues to rage in Paris. International armies have converged on the French city to make a stand. When Taylor investigates a mysterious sighting in their northern perimeter, he sees that enemy forces are encircling the city. The humans are quickly running out of ways to flee from the death trap.
New advancements in technology could change the course of the war, if they can survive long enough to get the weapons onto the front line. The combined allied forces continue to be driven back, but Major Taylor learns of an even greater threat. The aliens are developing a weapon which could bring destruction to the human race overnight. Only one hope remains for the planet. A daring mission nobody could hope to survive.