Anthony Chisholm

In hopes of providing another victim's family with closure, Detective Stabler races to prove serial killer Matthew Brodus, who is to be executed in 72 hours, was also responsible for another murder.

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.

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

Redding and Morales forge an uneasy defensive alliance; Keller returns; the Cloutier mystery deepens.

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

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.