When a computer hacker taps into the Visitor communications network, he becomes the object of an intense hunt. The boy won't help The Resistance unless they free his father from the mothership. While The Resistance wants his secrets, the Visitors want him dead.
A family of Visitor defectors escape from a mothership to give birth, taking the power source for the ship's laser to guarantee their safety. Philip swears vengeance and follows them to Earth, unaware that Diana has arranged his death.
Willie is shot while gathering information from a Visitor fifth columnist, leading The Resistance to kidnap a Visitor doctor that can help him. Meanwhile, the Resistance learns of a secret stockpile of Diana's weapons and plan a mission to destroy her compound.
Donovan and Ham are imprisoned in a Visitor work camp guarded by a hideous alien monster; Nathan Bates mounts a desperate search to find the "star-child" to exchange for his son Kyle who's in Diana's custody.
It's been one year since The Resistance defeated the Visitors. Diana's trial is quickly approaching; however, she manages to escape Ham Tyler's custody, and returns the Visitor's fleet, which is still in Earth's solar system.