They are here! They are hidden among us! They will stop at nothing to destroy us!
Thirteen-year-old Tim Madison’s life turns upside down when a strange visitor takes him aboard a magnificent spaceship to train for a future alien invasion. Returned home with new skills and this terrible knowledge, he confides in his two best friends about his experience. Now, they’re in a race against time to prevent an all-out attack on Earth. Can they stop ruthless, spider-like creatures from constructing a massive extermination army deep inside our planet? Or will we all perish?