A drone strike in in the Golan Heights kills an Iranian Quds Force general. In retaliation, terror cells are sent to the U.S. When a member of a terror cell dies in an auto accident, FBI agent Frank Marsh discovers that an attack may be imminent. Based on vague clues, he and Kathy Foster try to figure out where terrorists plan to attack. At first, sparks fly between Frank and Kathy because of an issue from their past. Their investigation is also...