Daniel faces dastardly Number Two, who has slowly been amassing an underground army of aliens to help him enslave Earth's population in preparation for the arrival of Number One, the most powerful alien in the universe and Daniel's arch-nemesis.

After the grisly murder of his entire family, a toddler wanders into a graveyard where the ghosts and other supernatural residents agree to raise him as one of their own.

When a child goes missing from the Orphan House in the town of Stone-in-the-Glen, the mayor suggests the kindly Ogress is responsible, but the orphans do not believe that and try to make their deluded neighbors see the real villain among them.

Fifteen-year-old Daniel has followed in his parents' footsteps as the Alien Hunter, exterminating beings on The List of Alien Outlaws on Terra Firma, but when he faces his first of the top ten outlaws, the very existence of Earth and another planet are at stake.