Elisabeth Waterston

Alex works with Owen to infiltrate the Collaborators. When they begin to test her loyalty, Alex realizes she's become a pawn in their plan to take down both the President and the task force.

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.

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 a terrorist attack.

Ellenor believes the dementia claim is the best option for a woman who is accused of murdering her brother in law. Jamie has personal reasons to represent a rape victim.

A senator is gunned down at his daughter's wedding. McCoy pushes for a severe sentence and squares up against a formidable DA -- his own daughter.