Grantchester S04E01 - Episode 1

It's 1956 and with Amanda long gone, Sidney's life now revolves around the church services and the interminable meetings of the Parochial Council and their plans for a village fete. He yearns for some excitement, and Geordie has noticed that Sidney's devil-may-care attitude feels increasingly like a death wish.

Sidney Chambers attends a talk by the Reverend Nathaniel Todd, a key part of the Civil Rights movement in America. During the event, protesters 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.