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.

While Gabriel and Riley are in Bolivia protecting a presidential candidate from an assassination, Gabriel is stunned to learn his best friend from Delta Force is the suspect.