The return of Reverend Sidney Chambers and Inspector Geordie Keating to solve a third season2s worth of crimes in their small village of Grantchester, just outside of Cambridge, England.

It's 1956 -- a year since Amanda left Grantchester, and the post-war rulebook is being torn up. Sidney Chambers (James Norton) is feeling adrift, a man without a cause -- until American civil rights activist Violet Todd arrives and fires up his need for social justice. But with a cause this dangerous, Sidney might not be around forever. Soon there's a new Vicar of Grantchester, firebrand Will Davenport (Tom Brittney). Idealistic and energetic, Will...