Jax and Xander have their hands full as a dangerous cat-and-mouse game erupts on campus. Various parties from across the galaxy arrive on Earth, all in pursuit of Jax, during which she encounters a surprise ally who not only protects Jax, but also sheds light on who she really is. Meanwhile, Atria joined by Pilar, bravely explores her new life mission on Adar, helping her clone brothers and sisters, while Thomas searches for his missing father and Ralen contemplates his return to Zatar.
Jax and Xander, now both working for the Earth Confederacy Intelligence Services, attempt to track down the fugitive Tierney and discover she is searching for a destructive weapon that can potentially destroy the entire Universe. Meanwhile, Jax comes face-to-face with a woman she never expected to see again: her mother, Eve.