Zo'or discuses with Ro'am, the Latin American Companion, his idea to make President Thompson an advisor to the Synod. Sandoval approaches Tonio Arias, Ro'am's Protector, and secretly attaches a microchip to Tonio's skrill. Ro'am and Tonio are killed while travelling in the ID Portal. T'than becomes suspicious of Zo'or because Ro'am's death shifts the balance of power in the Synod in Zo'or favour.

Da'an checks with Andrea Myzar on the decoding process of one of Ma'el's messages. Da'an is shot by Andrea. Andrea leaves the MotherShip with Ma'el's message relic. Augur's holo-computer finds that Andrea is Emma King, a mathematican killed 3 years ago. Liam retrieves the relic and discovers that humanity is the genetic link between the Taelons and Jaridians.

The Taelons decide to leave earth following what appears to be an imminent Jaridian invasion.

Liam and Renee investigate a serial killer who murders people in their dreams.

Zo'or threatens to attack the earth after an artifact containing the secret to synthesise taelon core energy is stolen from the mothership.

Renee is torn between love and duty when her boyfriend is captured by the Taelons.

After a Jaridian energy beam turns several Taelon companion protectors into assassins, Zo'or demands that they be turned over to him in 24 hours - or he will open fire on Earth. Da'an, meanwhile, dispatches Liam to take the assailants alive; and Sandoval becomes a pawn of the Jaridians.

The joining of the Taelons and the Jaridians create the Avatus race, a greater threat that Renee leads the fight against.

Renee fights to destroy the Atavus as they begin a joining process that will create human-Atavan hybrids.

Renee suffers an emotional breakdown after a high-rise attempt to rescue a woman and her baby from an atavus attack goes horribly wrong. Unable to shake the image of the crying baby falling to its death, Renee and Street check into a spa to try to relax. Her therapy is soon cut short as they find themselves being stalked by Howlyn.

As Renee begins to lose hope that humanity will survive, an old friend reappears to give her guidance and solace. Yulyn and Ra'jel will join forces to deliver the final blow to the atavus threat to mankind. Sandoval comes to term with his past, and ends the series in a very fitting "Sandoval" manner.