Continuing the epic battle to save the world from invading aliens! A trap set for the Martians fails miserably and even though Julie manages to escape, she and the others find out that the Hellweed plant unleashed by the Martians is much more of a destructive force than they could have ever imagined. The Martians attack on Kansas City reaches a devastating climax as the invaders ravage what is left of the city and its human population.