Alphy and Geordie investigate witchcraft at a home for orphaned and disadvantaged children run by an old friend of Alphy's. When a body is found, Alphy struggles to consider his friend as a suspect.
Set against the backdrop of the real hamlet of Grantchester, the drama focuses upon the life of Sidney Chambers, a charismatic, charming clergyman who turns investigative vicar when one of his parishioners dies in suspicious circumstances.
Grantchester - Series 10, Episode 4 Synopsis and Schedule