Eirian Powell, the neonatal unit manager at the Countess of Chester Hospital, shares her insights into Lucy Letby, a nurse accused of horrific crimes. She reflects on the disbelief among staff about Letby's actions, despite early warnings. Nicola Lightfoot, a senior nurse, highlights her concerns over Letby's professionalism and empathy during her training. The conversation reveals the tension within the unit as colleagues struggled to reconcile their support for Letby with the mounting evidence against her, showcasing the serious failures in the healthcare system.