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.

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.