"Grantchester" is a British television series set in the 1950s in the picturesque village of Grantchester, near Cambridge. The show follows the story of a vicar, Sidney Chambers, who becomes an amateur detective, solving various crimes alongside his friend, Detective Inspector Geordie Keating. The series is based on the Grantchester Mysteries written by James Runcie. It explores themes of faith, friendship, and morality while providing a glimpse into post-war British society. The combination of mystery and character-driven storytelling has made it popular among viewers.