Serial bombs set by an ecoterrorist strain the team's resources and endanger one of the members' lives.
Team One must locate and rescue a politician before a vengeful radio shock jock kills him on the air.
A deceased John Doe forces Jenny and Clark to work together in the world of narcotics and therapy.
The Hawthornes seek police assistance as a killer taunts them; a shocking discovery about Alison's family emerges as she prepares for the election.