Alicia, Will and Diane are caught off-guard when a brilliant disabled attorney (Michael J. Fox) uses his condition to sway a jury; Kalinda turns to a former friend for help.

While Alicia races against Louis Canning to round up the most clients for an Erin Brockovich-style class action lawsuit, a mole is detected in LGB law firm, who seems to be working for Canning.

To Lockhart/Gardner's disbelief, Louis Canning returns to face off against Alicia once again when the firm represents families of workers who committed suicide due to miserable working conditions. Meanwhile, Cary finds out shocking information about Kalinda.

A routine arbitration turns into a battle of wills between Alicia and Louis Canning, but the pair makes an unexpected connection when a personal crisis interrupts the proceedings.

Alicia once again faces Louis Canning in court, but recent financial concerns lead her to reconsider his standing job offer. Meanwhile, Diane reconnects with the enigmatic Jack Copeland.

Will and Diane scramble when Louis Canning and Patti Nyholm team up to bankrupt the firm. Also, Alicia faces conflicted feelings regarding her relationship with Peter, and Kalinda's past catches up to her.

Louis Canning's attempts to delay a deposition could complicate Will's latest and potentially lucrative case; Diane and Will have a face-off with Clarke.

Alicia is presented with a career-changing offer that includes a substantial financial risk; Diane and Will confront their creditors; Eli and Jordan don't agree on a possible attack on Maddie's campaign.

Alicia and Diane consider merging their firms in the wake of Will's death, even as they find themselves on opposite sides of a contentious divorce suit. Meanwhile, Alicia offers assistance to Finn when it becomes clear that the State's Attorney is looking for a scapegoat in the Jeffrey Grant case.

Florrick/Agos takes on the case of an NSA whistleblower, only to learn that the agency has been monitoring the firm as well as Alicia’s personal life. Meanwhile, Diane faces the difficult task of working alongside Louis Canning when he joins Lockhart/Gardner. Also, Alicia goes after the State’s Attorney when he attempts to make Finn a scapegoat in the Jeffrey Grant case.

When Alicia has a chance encounter with a charming entrepreneur during jury duty, she begins to consider options outside her marriage and seeks the advice of her mother. Meanwhile, Diane's friends come to her for legal advice when their son is accused of selling drugs on the Internet.

Elsbeth and Alicia put their fight on hold when they both have clients facing economic espionage charges; Diane battles her former partners over office space

Alicia takes on a college rape case which pits her against Louis Canning when it moves from a university hearing to civil court. Meanwhile, Eli and Elfman conduct a political focus group as Alicia dives into her campaign for State’s Attorney.

The feds want Cary to work with them as they build a case against Lemond Bishop.