Ep 5. Gray Matter

In Oz season 4 episode 5 titled "Gray Matter", the focus is on the prison's kitchen staff. Morales, who was once a feared enforcer for the Latino gang, is now serving as a cook. However, in this episode, Morales' past comes back to haunt him as a former associate is brought into the prison. Morales is torn between loyalty to his former gang and his desire to stay out of trouble.

Meanwhile, Keller finds himself in a difficult position when he is asked to participate in a drug trial. He hopes that doing so will lead to a reduction in his sentence, but he quickly realizes that the trial is much more complicated than he anticipated.

Said faces his own moral dilemma when he is asked to make a tough call about the future of the prison's gardens. While he initially struggles with the decision, he ultimately decides to do what he believes is right.

This episode also explores the complicated relationship between Beecher and Schillinger. Beecher confronts Schillinger about the abuse he suffered in the past, but the conversation goes in a surprising direction.

Overall, "Gray Matter" is an intense and emotional episode that delves into some of the darker aspects of life in Oz. It showcases the strength and resilience of the characters, as well as the difficult choices they must make in order to survive in prison.