Episode 1 | Episode #6.1

The vicarage family and the Keatings are on a much needed summer break at Merries Holiday Camp when the camp's owner is found dead in suspicious circumstances.

Episode 2 | Episode #6.2

Will and Geordie negotiate a complex family dispute that may have something to do with the murder of the head of a local adoption agency; a sinister letter arrives for Leonard.

Episode 3 | Episode #6.3

Will and Geordie are drawn into the cut-and-thrust world of local politics when the death of Councilor Derek McArthur prompts an election in Grantchester.

Episode 4 | Episode #6.4

An otherwise quiet nightshift is disrupted when a group of young American airmen are arrested for trespassing at the local quarry and brought to the station.

Episode 5 | Episode #6.5

As the day of Leonard's trial dawns, Will and Geordie are called upon to investigate an audacious robbery from a bank security van in Cambridge, which has had tragic repercussions.

Episode 6 | Episode #6.6

When the leader of a student CND group, Rachel Bromilow, falls to her death from a college building while staging a daring protest, Will and Geordie discover her death is not as accidental as it first appears

Episode 7 | Episode #6.7

When Leonard's cell-mate, Joe Davies, is accused of murdering another inmate, he asks Will and Geordie for their help. But the brutal prison stirs up memories for Geordie.

Episode 8 | Episode #6.8

When a successful music producer is murdered, Geordie finds himself implicated in the investigation, and forced to consider whether his army buddy Johnny could be the killer.