Episode 401 : Sidney Chambers attends a talk by the Reverend Nathaniel Todd, a key part of the Civil Rights movement in America. During the event, protestors disrupt Todd's speech and release fireworks, causing the audience to panic and leading to a crush as dozens of people try to escape through a locked door. In the chaos, a man is stabbed and killed by an unseen assailant. The murder sees racial tensions spike and Geordie is called in to investigate. 　　译文(2): 第401集: 西德尼 · 钱伯斯出席了纳撒尼尔 · 托德牧师的演讲，托德牧师是美国民权运动的关键组成部分。在活动期间，抗议者扰乱托德的演讲并放烟火，造成观众恐慌，导致数十人试图通过一扇锁着的门逃跑时出现拥挤。在混乱中，一个人被一个看不见的袭击者刺死。谋杀案见证了种族关系的紧张，乔迪被叫去调查。