Anthony Chisholm

Mayor Wilson Loewen's arrival at Oz causes an ironic turn of events involving Schillinger and Beecher, and Dr Nathan figures out why solitary inmates are becoming ill.

At the bi-annual review of solitary prisoners, the board decides to release Alvarez and Schillinger back into the general population. Rebadow, still mourning the loss of his grandson, gets transferred to work in the library.

Beecher clears the air about Schillinger; Cyril lands in the media spotlight; Morales and Urbano forge an agreement.

Glynn gets mixed news about the toxic poisoning problem at Oz, Rebadow's relationship with the new librarian hits a snag, and Robson gets some redemption.

McManus wants Said to help reform White; O'Reilly's mother teaches music at Oz; the FBI stirs up trouble.

Penders, Hill and Alvarz train Seeing Eye dogs; Nathan and Howell have a heart-to-heart talk; Schillinger's gripe with Said turns deadly.