Sidney and Geordie investigate when a man is stabbed during a talk by a Civil Rights activist, sparking racial tensions.

Sidney discovers he was the last person to see a woman alive during a drunken night while Geordie becomes increasingly alarmed at his friend's behaviour.

Geordie is called to investigate an apparent break-in at a computer laboratory. When the head of the lab keels over and dies from mercury poisoning, Geordie suspects foul play.

As Will is preparing to be installed as the new vicar Geordie persuades him to involve himself in a case involving a young uncommunicative boy with blood on his hands.

An unexpected phone call summons Will back home, and he asks Geordie for his help: Will’s father has got himself into some trouble. When one vicious beating leads to a grisly murder at a sprawling ancestral home, scandal threatens to engulf the Davenport Family, and life will never be the same for Will again.

Will, reeling from his family tragedy and daunted by the choice he now faces, seeks distraction in Geordie’s world. A curious new case unfolds: the murder of a Teddy Boy at a dance hall, which Geordie concludes is proof that the country’s truly gone to the dogs.

When a student from a prestigious all-female college is found dead, Will and Geordie must infiltrate the murky world of campus politics and university societies.

Will and Leonard witness a deadly and deliberate hit-and-run in Grantchester. Geordie traces the car to a pair of decidedly dysfunctional brothers whose house lies far off the beaten path. The victim's wife, his employee and the two brothers are all damaged characters caught in a web of lies and betrayals, and it’s not just secrets that are hiding within the brothers' grounds.

After a bumpy start to their relationship, Will and journalist Ellie go on their first date with a trip to the ‘flicks’. But a scream from the projection booth cuts the romance short as they discover a brutal murder has taken place within the cinema.

A streaker is found dead, sparking an unusual case for Will and Geordie that draws them into the world of experimental psychotherapy and hallucinogens.

When two boys are found near death, locked up together in the boxing ring, Will must face up to his own part in the tragedy in his greatest test of faith yet.

When a woman is found dead, laid out in the shape of a crucifix on Jesus Green, Will and Geordie discover the ring on her finger proves she was married to God.