While their newly appointed leader gets familiar with the team of CIA and FBI agents, Owen leads an investigation into the strange world of fake news. But hunting down the publishers of a fake story might lead to deadly consequences.

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.

After an impossible choice is made, a flood of new proposals shine a light on the final stages of the Collaborators’ plan. Fractured but not defeated, the task force, with the help of some old friends, work to put the pieces together before the Collaborators can enact an unthinkable terrorist attack.

In tracking down the origin of a deadly strain of tuberculosis threatening Americans, Agent Ryan Booth must go undercover and infiltrate a white supremacist organization; an assignment that threatens the life of another member of the team.

Alex and McQuigg are assigned to protect a prince following the assassination of an emir, but the team soon realizes the killer is closer than they think.

Jocelyn shares her very personal story of hearing loss when she finds herself face-to-face with the adversary responsible for the bomb explosion that changed her life forever. Meanwhile, the team works together to take him down and infiltrates an illegal, underground operation that has deadly consequences when not everyone comes out alive.