With the signing of a treaty and the opening of diplomatic relations, the Visitors are formally granted entry to the United States. Anna sees a potential problem as the leader of the anti-Visitors movement, whose husband was killed the day they arrived, seems to be getting a lot of public sympathy and support. Anna sets out to win her over. Erica and Father Jack Landry try to identify who might have been involved in the warehouse killings but unbeknown to her, her FBI partner Dale survived and is being treated aboard the mother ship. When threats of assassination are made against the Visitors, Erica finds herself being assigned to protect them. It also becomes apparent that the Visitors are manipulating virtually everyone around them. Erica's son Tyler invites Lisa home but his Mom shows up at an inopportune moment. The Visitor fifth columnists begin to organize.