Nine hours after Beckett conceived, her child is born. The Resistance must decide what to do with Beckett and her rapidly developing child, Liam Kincaid, who reaches maturity within hours of being born. Sandoval reveals Boone's ultimate fate to Lili. Rayna transmits a signal to the Jaridians, an alien race. A Jaridian probe replicant assassin is sent to destroy all Companions. At Boone's funeral the Taelon Synod leader, Quo'on, is assassinated, but Liam saves Da'an. Da'an appoints Liam as his personal protector. Zo'or realizes that if the replicant kills Da'an, then he'll be made synod leader by default.

A Jaridian probe crashes into earth and disrupts the Commonality, leading the Taelons to round up suspected Resistance members to be harvested for their life force energy to feed the draining Commonality. As Augur, Maiya and the others lie near death, their souls are in a dream world. Liam, in a comatose state, finds them and tries to bring them back, but they are happy in their dreams and refuse to return. Lili and Sandoval locate the probe in Australia.

Working on the New York to Bangkok inter-dimensional link, a technician is killed by energy-eating creatures. Liam and Augur suspect the creatures may be from another dimension, and will drain every energy source on earth. The mothership becomes infested with the creatures, leading the Taelons to put themselves into a near-death state to protect themselves.

A "volunteer" squad of specially trained Taelon implanted teen-agers attacks an abandoned warehouse where a Resistance cell meets. Lili, Liam and Augur are surprised when Julia shows up with an unconscious Amanda. Dr Park removes Amanda's implant and tells them that her implant is killing her. Resistance sends Julia undercover to join the Taelon Volunteer Program. Julia warns Liam and Lili about a massive assault, who mobilize the Resistance for a counter attack. Liam learns that recruits are being sent through portals after an unknown enemy in another galaxy.

A woman barely escapes from the small town of Taelonville, Indiana through an ID Portal, the woman's three-month-old fetus was removed, possibly by ID technology. Zo'or denies the use of ID technology to perform non-invasive surgery. Liam arrives in Taelonville to investigate.