When one of Alex's friends is framed for a domestic terror attack, they turn to her for help. With an upcoming vote in the House for a Muslim registry bill, the task force realizes this attack isn't a coincidence. The Collaborators are actively stirring fear to pass the registry, and our team heads to the Hill to turn the votes. Meanwhile, Alex and Owen track down an assassin.

With all the collaborators unveiled, the team uses Clay and Maxine's engagement party to entice them into one place. The mission: turn one against the others. But everyone's lives are put at risk when one member of the team makes a surprising decision.