Gabriel and Riley must rescue the kidnapped member of CyberCom who invented the chip implanted in Gabriel's brain before the top-secret technology falls into the wrong hands. Meanwhile, Gabriel takes advantage of his chip to search for his wife who disappeared years ago.
An overseas bombing at a military base reveals a new, deadly explosive has become available for terrorists, one that is undetectable to current scanners. Gabriel and Riley rush to discover the next target and are shocked by who they find is complicit.
A CIA analyst is off the reservation, determined to sell US intelligence secrets to the highest bidder. Gabriel is assigned to the case but his effectiveness is compromised by the arrival of Mei Chen, in his mind.
Gabriel and Riley pose as Secret Service agents in Syria in order to rescue two American journalists being held hostage. While there, Riley must work with her former boyfriend, and the truth behind their past is revealed.
A U.S. Senator's daughter is kidnapped by a Mexican drug lord to stop the sale of a spy satellite to Mexico. Vaughn and Riley are sent to retrieve the girl while Lillian deals with her father, a mysterious and powerful man in the Government who has some unknown interest in the case.
Gabriel and the Cybercom team head to Texas to help contain an outbreak of a deadly, rapidly spreading virus, but when Gabriel cyber-renders ground zero of the outbreak to isolate who Patient Zero might be, he and the team are shocked to see that the suspect is a criminal believed to have been executed a week earlier.
When Gabriel and Cybercom learn microscopic robots are infecting and killing leading artificial intelligence scientists, they must find who's delivering boxes containing the malicious nanites before Cassidy is the next target.
Political chaos in Bolivia seems to be the result of a an assassin that used to be Gabriel's best friend in the special forces. Gabriel, Riley and Jameson head south to stop the killing and protect the preferred U.S. presidential candidate.
Terrorist Jin Cong is back and he is upping the ante by attacking CyberCom directly, looking for top secret information to allow him to make his own versions of Gabriel.
A breach of the WITSEC database leads Cybercom to San Francisco, on the trail of a hacker intent on committing a terrorist attack. The location hits home for Lillian, whose daughter lives in the city.
When Gabriel and Riley search for an infamous hacker known to create cyberworms, they learn their suspect could have been set up and a much more sinister group has plans to target a nuclear reactor in California.
When Gabriel sees himself as the suspected murderer in his crime scene cyber-render, he and Riley must find the mastermind who is framing him. Meanwhile, Lillian is relieved of duty and Tetazoo takes charge with a full-scale manhunt for Gabriel and Riley.
When Gabriel and Riley learn that sleeper agents are embedded in the U.S. government, they're shocked when their identities are revealed.