Season Two premiere. In the aftermath of the riot that killed six inmates and two officers, Oz is locked down, and Emerald City prisoners are sent either to solitary or gen pop. A special committee is appointed to investigate the riot.
Ten months after the riot, Em City is reopened. A recovered McManus creates a council of group representatives to keep order, and initiates classes to help inmates get high-school equivalency diplomas.
Alvarez knows who raped Glynn's daughter, but refuses to tell the warden. Wangler is making progress at school, but his cellmate, Abedisi, isn't a fan of higher education. When Hill's judge is convicted of accepting bribes, Said takes up Hill's case.
Schillinger attempts to enlist Said to get him out of jail. Recovered from being poisoned, Schibetta is brutalized by Adebisi, losing 'control' of Oz. Meanwhile, Alvarez is bumped out of the Latino power seat by Raoul Hernandez, a.k.a. El Cid.
Cyril O'Reily, Ryan's brother, is imprisoned and falls under Schillinger's control. Ryan tries to get him away into Oz, but Cyril winds up in the hole. El Cid tells Alvarez there's only way he can 'stay in the game.'
In the Season Two finale, Wittlesey is transferred to general population and replaced by Karl Metzger, a Nazi. Mack and another Aryan try to escape through Busmalis and Rebadow's hole. Hill gets the idea of escaping Oz by hiding in a coffin.