Anthony Chisholm

Schillinger's visit with Mayor Loewan proves to be disappointing, Glynn must face the truth about the toxic poisoning problem at Oz, and Officer Brass spends some quality time with Morales.

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.

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.

Three new inmates arrive, including someone close to the O'Reillys. Busmalis and Rebadow prove to be true Romeos, and the Keller-Beecher-Schillinger triangle becomes more pointed.

After a powerful gas explosion at the Oz high-security prison, the special section had to be closed for several weeks for extensive renovations. Now, the prisoners are able to come back to their cells.

Oz is in upheaval following the return of Martin Querns; Howell and Robson receive troubling medical news; Alvaraez succumbs to an enticing offer.