Chris McKinney

Stone is thrust into the spotlight as a controversy involving the defense emerges.

As he awaits his formal arraignment at Rikers Island, Naz realizes that his survival, or perhaps his demise, rests in the hands of a particular inmate.

Attorney John Stone works to uncover information about the crime.

Naz's trial moves to the defense phase.

Nora goes to New York for the second annual Departure Related Occupations and Practices conference, but discovers that someone else has her ID badge, so she searches the convention as a "Guest," and has encounters with a salesman, an author and a rogue attendee.

Evidence from the case of a young woman who was shot to death confirms the Chicago P.D. has a serial killer on its hands; Voight welcomes Kenny Rixton to the team when Ruzek takes another assignment.