Brian Keane

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. Michael J. Fox returns as Louis Canning.

Eddie and her partner, Officer Rachel Witten (Lauren Patten), are heralded for their bravery for stopping an active shooter, until a civilian comes forward to accuse them of faking the incident as part of a government conspiracy. Also, Frank pries into a decades-long history of cash payments his father Henry has been making to an unknown recipient, Danny and Baez find themselves in the middle of a fierce sibling rivalry between two brothers as they investigate the murder of the men's father, and Sean contends with his school locker being vandalized with anti-police sentiment.

While investigating the murder of a teenage boy, Voight (Jason Beghe) finds a connection with the murder weapon - linking it to a case that he worked on 17 years ago. While the victim's father (guest star Philip Casnoff), a prominent defense attorney, tries to get the case taken over by Area Central Homicide, Voight digs back into the old case under the watchful eye of his former partner, Lieutenant Denny Woods (guest star Mykelti Williamson).

When an American founder of an illegal adults-only site is killed in Prague, the team is tasked to locate his co-founder, who is still on the run in the Czech Republic. Also, Kellett struggles to maintain a relationship with her mother due to the complications of working so far from home.

When The Machine issues the number of a hypnotherapist, the POI team discovers that he is more than just a master of the mind. Meanwhile, Carter tracks down an antiques dealer whose business is connected to the criminal HR organization.