On the run from the NSA former robot assassin Zeta saves the life of a teenage runaway Ro Rowan. In return, Ro helps him escape the NSA. She persuades Zeta to search for his creators, since they would be able confirm his innocence.

While looking for Dr. Selig at at science competition, Ro and Zeta encounter Bucky, a kid genius who invented a universal remote control. Bucky's supervisor Dr. Tannor steals his invention and tries to pass it off as his own.

Ro returns to visit her first foster family in hopes of finding information on her biological family. Determined to impress, she creates a rich girl persona via Zee's unlimited charge-card.

Fleeing from Agents West and Lee, Zeta and Ro are lured to an abandoned candy factory by bounty hunter Rodin Krick, who plans to collect the reward by any means.

Zeta breaks into a security base to steal a database containing retinal IDs, then breaks into Cyrobin disguised as a Dr. Wilhelm. His creator, Dr. Selig, is working at Cyrobin. Things go amiss when the real Dr. Wilhelm shows up before Zeta can communicate with his creator and prove his innocence. Selig is caught in a cyrogenic freeze unit when a stray shot shatters the control. With the lab in lockdown, Zeta is forced to remain hooked up to Selig's suspension unit and maintain his life. The authorities are breaking in, so Zeta takes a risk and tries to go into the unit, using his internal heaters to revive Selig. At the risk to his own ""life"", Zeta succeeds, but is forced to flee before Selig regains consciousness. Meanwhile, Agent Bennett is being shut out of the investigation by a mysterious Colonel Lomak, and Agent Lee resigns after giving away Bennett's plans to Lomak.

Zeta malfunctions and recovers his memory of the moment he decided not to hurt people, when he is ordered to impersonate Eugene Dolan but instead gets close to him and his family.

Zeta's quest to locate Dr. Selig leads him to another member of the infiltration unit design team, Dr. Myrell. He runs a non-profit organization called the Myrell center, where he constructs and tests new technology to help the handicapped. One of these is a young man named Kevin, who is confined to a wheelchair. The doctor has created a backpack device called a ""synaptic amplifier," which allows him to walk normally. Zeta and Ro sneak into the center disguised as Kevin and his backpack, but end up encountering a thief there to steal the real amplifier pack. On a non-handicapped person the pack provides them with fantastic strength and agility. Blake, the thief, escapes, but a security guard who had seen the Zeta/Ro illusion of Kevin there after-hours accuses him of the theft, and he is arrested for it. It's up to Zeta and Ro to find Blake and clear the innocent Kevin.

Zeta and Ro are on the run from the NSA when they stumble into a No-Tech community. The group is protected by law so Bennett can't go into their community without a local warrant. Zeta and Ro take refuge there but Zeta's robotic nature is soon discovered by Amy. She advises them to keep Zeta's nature a secret. Zeta predicts the No-Tech's river levee will break during an upcoming storm. Bennett gets his warrant when the No-Techs use a catapult on West. Zeta has to reveal his true nature to save the No-Techs and is damaged. The No-Techs take Zeta prisoner and prepare to destroy him but the levee breaks. Zeta rescues the No-Techs and they come to appreciate his non-soulless nature as the two make their escape once more.