A politician's campaign manager (Speakman) discovers that the candidate (Shatner) is a front for a military organization plotting a political overthrow of the government. In trying to expose the candidate's right-wing activities, he puts himself and his family in danger of being killed.
An ex-FBI agent gradually uncovers the nature of a conspiracy behind the death of a black presidential candidate
Susan wants her reprehensible ex-husband dead and, in several bungled attempts by henchmen, tries to accomplish the deed.
When other Scanners in the Los Angeles area are left drained of life, Sam is forced back into action in a desperate attempt to stop Volkin, who is determined to become the most powerful - and ruthless - of his kind.
The series follows the ventures of a Missing Persons Unit of the FBI in New York City.