Zach makes a discovery that leads Alicia and Cary to believe that the Lockhart/Gardner firm is spying on them; Will helps one of Alicia's former clients; Clarke Hayden (Nathan Lane) offers financial advice to Florrick/Agos.

Alicia asks Cary to be her lawyer when Nelson Dubeck (Eric Bogosian) asks her to participate in a deposition; Will faces off with a new prosecutor while defending Jeffrey Grant (Hunter Parrish).