In Episode 401, Sidney Chambers is present at a talk delivered by the Reverend Nathaniel Todd, an influential figure in the Civil Rights movement in America. The event takes a violent turn when protestors interrupt Todds speech, setting off fireworks that sow panic among the audience. The situation escalates as people attempt to flee through a locked door, resulting in a crush that leads to tragedy: a man is fatally stabbed by an unknown attacker amidst the chaos. Sidney finds himself embroiled in the ensuing investigation, uncovering dark truths and hidden motives as he seeks to bring the killer to justice.Review:Episode 401 delivers a gripping tale of turmoil and murder against the backdrop of a Civil Rights event. The seamless blend of historical significance and thrilling mystery keeps viewers on the edge of their seats, while the character development of Sidney Chambers adds depth to the narrative. The unexpected twists and turns engage the audience, ensuring that this episode stands out as a standout installment in the series.