Capt. Owen Crawford comes up empty in his search for alien-hybrid Jacob Clarke, but his secret government project is rejuvenated after frequent abductee Jesse Keys pays him a visit.

The sins of the father come to light when Owen Crawford's sons take opposite positions on their father's secret government project.

Eric Crawford continues his father's secret government investigation and pursues Jacob Clarke and Jesse Keys for answers about the existence of aliens.

The next generation comes into play, as the children of both Jacob Clarke and Jesse Keys become the focus of both a government investigation and alien interest.

Charlie and Lisa learn about their daughter Allie's amazing powers while trapped in a perilous situation. Mary Crawford lays the groundwork to snatch the child for government research.

General Beers kidnaps Allie, an alien-hybrid, and plans to use her as bait to lure the aliens into his trap.

Allie's parents conspire to save their alien-hybrid daughter from the army's clutches, only to learn just how much power Allie really possesses.

Allie learns her true destiny and together the family must make the most difficult decision of their lives.