Office politics heat up when Will and Diane ask Cary and Alicia to face them in a mock trial; Eli tries to maintain his position on Peter's campaign.

When the Justice Department refuses to reveal who will be testifying against Eli, Elsbeth takes Assistant U.S. Attorney Josh Perrotti to civil court for defamation in order to force him to answer her questions under oath. Meanwhile, Jordan helps Peter prepare for a debate and Alicia’s relationship with her co-workers evolves.

When Zach thinks he has witnessed vote tampering, Will, Alicia and Diane race to a series of emergency court proceedings on the night of the gubernatorial election; an unexpected source offers to help Cary start his own firm.