The Season Four premiere opens with the inmates still on lockdown and prison officials struggling to end the hostilities.
Inmates in gym
The African-American inmates point the finger at McManus for letting Em City get out of hand. Coupled with his recent erratic behavior, Glynn decides to give McManus the ax.
Agustus Hill
Glynn learns from Adebisi that he was given the gun by former C.O. Hughes. Morales enlists Rebadow’s help in taking Hernandez's place in the drug ring run by Adebisi and Pancamo.
Ryan and Cyril O'Reily
Em City gets a new Unit Manager, Martin Querns, whose methods are hardly orthodox. Beecher's torment over his missing children is worsened by Schillinger.
Vern Schillinger
As Querns implements his new course of action, the dynamics of Em City start to change. Meanwhile, Beecher wonders about the fate of his children.
Cyril with gag in mouth
In an effort to reduce violence, white inmates are transferred out of Em City. Meanwhile, Mobay gets in good with Adebisi's crew...but pays a price.
Sister Reimondo
Beecher wants revenge against his children's kidnapper. Meanwhile, Adebisi goes solo in the drug business and Said plots with McManus against Querns.
Simon Adebisi
Supreme Allah receives an unwanted surprise, Mobay comes clean about his criminal involvement and Said does the unthinkable.
Tobias Beecher
A TV newsmagazine crew descends on Em City, and the results aren't quite ready for prime time.
Agustus Hill
New inmate Burr Reading arrives, ready to take charge of the African-American drug scene. Meanwhile, the zealotry of another new prisoner (a former TV evangelist) is met with skepticism.
Italian inmates
Morales looks to pit the Chinese against Redding. Alvarez offers Glynn his services as an informant as a way out of solitary.
Kareem Said
O'Reily regrets having gotten Cyril involved with the trial drug when it starts taking effect.
Tobias Beecher and Chris
O'Reily is in for a surprise when a visitor reveals the truth about his past.
The Muslims
McManus calls a superficial truce between Redding and Morales.
McManus and Dr. Gloria
Beecher tells the parents of the young girl he killed that he's up for parole.
Ryan O'Reily visitor
In the Season Four finale, Hill discovers where his true allegiances lie in Oz. Redding's plot to use the Colonel against Morales has an unexpected outcome.
Agamemnon and Bob Rebadow

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