Will makes Alicia a stunning offer which causes her to reconsider her plans to leave the firm. Also, the partners take action when Diane’s Supreme Court candidacy puts her at odds with her colleagues.

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.

The futures of Florrick/Agos and Lockhart/Gardner are at stake when the firms consider merging, driving a wedge between Alicia and Cary. Meanwhile, Diane makes a big decision when Louis Canning challenges her role at her firm.

Joy Grubick, a pretrial service officer, interviews Cary's colleagues to determine if he should remain behind bars; a client's case ends up in Christian arbitration.

Jason uses aggressive investigative tactics while working on a student loan case with Alicia and Lucca. Howard points to Cary as the primary offender when he alleges ageism at Lockhart, Agos & Lee. Eli creates drama among the Florricks.