A Town Without Pity

S4, E7: With everything topsy-turvy in Em City, O'Reily begins a surprising affair. Zabitz asks Schillinger for protection from Keller--who tries to get into the rehab program to make amends with Sister Pete. Beecher looks to get even with his children's kidnapper. Adebisi wields his power by going solo in the drug business. Confronted with his own demons, Arif turns to Said for guidance and leadership. Said unexpectedly pledges his allegiance to Adebisi, but plots with McManus to stop Querns' reign of terror. An enraged Hughes makes an attempt on Devlin's life at a press conference.