Gray Matter (S04E05)

The atmosphere on death row becomes increasingly intense following Shirley Bellinger's execution. Miles immerses himself in a self-portrait, while Ginzburg's battle with AIDS worsens, and Deyell suffers a serious injury. Mobay faces a loyalty test requiring him to commit murder, with a new inmate he knows presenting an ideal target. Emotions run high for McManus after receiving a call. The arrival of inmate Supreme Allah stirs unrest for Arif. On his way to his son’s funeral, Beecher poses a personal question to Keller. A transformed Rebadow seeks Morales' approval to kill again. After a conflict with gang members, Cyril is placed on stronger sedatives. Meanwhile, Ryan O'Reilly, having snitched to Hoyt, acquires a cell phone and encounters Dr. Nathan's assailant.