The moral and ethical struggle faced by Dr. Summers, torn between professional duty and growing doubts about the Keller Process.

During a routine tour of Stangmoor’s restricted prison areas, the Governor’s entourage—including Kettering, Summers, and Powers—descends into a lower corridor where the sound of a hanging execution disrupts their conversation. …

In the prison medical ward, Doctor Summers examines Barnham post-Keller process, confirming his physical recovery but noting his hazy memory. Jo presses for details about Kettering’s autopsy, prompting Summers to …