描述:Episode401:SidneyChambersattendsatalkbytheReverendNathanielTodd,akeypartoftheCivilRightsmovementinAmerica.Duringtheevent,protestorsdisruptTodd'sspeechandreleasefireworks,causingtheaudiencetopanicandleadingtoacrushasdozensofpeopletrytoescapethroughalockeddoor.Inthechaos,amanisstabbedandkilledbyanunseenassailant.ThemurderseesracialtensionsspikeandGeordieiscalledintoinvestigate.