Ne'eg dies from being exposed to a devastating virus that was unleashed from an alien probe. The virus falls into the hands of a group of white supremacists, they release the virus into the Lincoln Hills homeless shelter. The deadly virus quickly spreads, threatening to decimate both the human and Taelon races. Boone, infected with the virus, comes up with an idea to develop anti-bodies against the virus but it may not be in time to prevent the virus spreading over earth.

Augur is arrested for treason in Russia and condemned to death by hanging. However, he is blackmailed into participating in a Taelon experiment as advanced warriors and is implanted with a CVI. Maiya confuses Sandoval for her lover, Jason, from her dimension thus attracting Sandoval. For protection, Maiya takes the identity of Isabel Martinez. Liam helps Augur break his CVI and bring him back from the rage. Lazarus, the overseer of the program, was brought back to normal by Da'an.

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.

Maya, la joven que vino desde la otra dimensión, es el doble exacto de Isabel Martínez. Ambas sufren extraños trastornos. Parece que la solución podría consistir en unirlas, pero eso significa entrar en la nave nodriza de los extraterrestres.

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.

Two unidentified Taelon piloted shuttles appear, unscheduled, in earth airspace, dogfighting. Liam wonders why Da'an took off to an unknown location. Sandoval is sent to locate the surviving Taelon, noted to be unco-operative. Zu'or disrupts Da'an's Karpag on the moon base home world recreation. Liam finds Ba'li, who claims to have come to help humans retake earth. Augur severs Ba'li's commonality link. Ba'li fingers Da'an as the architect of Taelon strategy across the galaxy to defeat the Jaridians. Ba'li turns into an Atavus and goes to kill Da'an.

While Doors is holding a press conference, Liam sees a man videotape the room. When Liam confronts him, the man runs from the building. Both exchange gunfire, and the man turns his weapon on himself and is vaporized. Augur discovers the man had a Taelon warrior implant. Julia gets a tip of the implant and an arms dealer named Margolis. Julia and Augur questions Margolis about the deal with the warrior implant. They find the weapons are undetectable by security. One of the warriors bursts in and vaporizes Margolis. Julia and Augur can't seem to stop the warrior and finally escape by racing off in a car. Liam suspects the Resistance is being set up, and is reluctant to put members in danger at the next public debate. Julia secretly offers her unit's protection to Doors for the debate. Liam arrives at the debate and is furious to find Julia armed. Liam discovers three warriors, disabling two of them while a third escapes. Julia and her team respond to the alert and find they have been set up.

A new Taelon/Doors venture that allows people to relive their most cherished memories may not be what it appears when four people supposedly die from overloaded synapses.

Liam investigates if Jack Patches, that allow fans of the combat game Pa'dar to feel the feelings of the warriors, causes seizures.

The Companions are invited to join with a religious order in a ceremony. The group is made up entirely of women and seeks that special spiritual connection with the Taelons that will bring them to an enlightened state. Liam finds a former resistance member, Elizabeth, in the group. During the ceremony, the Companions share their energy with The Cloister. Worried about the possible security leak, Liam and Renee have to stop Elizabeth from telling the cult everything.

A Roman citizen is awoken uboard Ma'el's ship to pronounce jugement against the taelons.