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James Norton and Robson Green return as the unlikely 1950s crime fighting duo, Vicar Sidney Chambers and Police Inspector Geordie Keating, in the third series of Grantchester, produced by Kudos. The six-part series is based on The Grantchester Mysteries by James Runcie.
Tessa Peake-Jones is back as Sidney’s sharp tongued housekeeper Mrs Maguire who keeps the vicar in check; Morven Christie reprises her role as Sidney’s forbidden lover Amanda; Al Weaver returns as the timid curate Leonard Finch; Kacey Ainsworth is back as Geordie’s long suffering wife Cathy, Lorne MacFadyen puts his police helmet back on to play DC Phil Wilkinson and Seline Hizli returns as the feisty police secretary Margaret. And of course it wouldn’t be Grantchester without the return of the gorgeous black Labrador Dickens.
It’s 1955 in Grantchester, local vicar Sidney Chambers [James Norton] meets with the new archdeacon, Gabriel Atubo. Acknowledging that Gabriel’s predecessor was dispatched under some controversy and embarrassment, Gabriel questions whether he can rely on Sidney to rebuild trust in the church and lead by example. Sidney reassures him he can be counted on.
Before the night is out, Sidney is on the dance floor with his old flame Amanda Hopkins [Morven Christie. Whilst they close in for a kiss, Sidney’s best friend DI Geordie Keating [Robson Green] sits nearby with wife Cathy [Kacey Ainsworth], the spark a little dimmer in their own relationship.
The next day Sidney accompanies Geordie to The Round Church in Cambridge, where an elderly man, Dr Terrence Atwell, lies dead. Whilst being pestered by church caretaker Mr Harland, Geordie tells Sidney about the victim; Dr Atwell ran a soup kitchen for the homeless. On closer inspection of the body, it appears Dr Atwell died by drowning. But how does a man drown in the middle of a church and is this connected to a series of murders targeting respected figures in the community?
Amanda gets a letter from estranged husband Guy [Tom Austen] saying he wants to see his daughter. Sidney can’t contain his frustration; Guy didn’t care when Grace was born. He’s clearly trying to control Amanda. But Amanda reassures him that she won’t let Guy take Grace away.
As Geordie and Sidney get closer to the truth behind the murders, Sidney is forced to confront the conflict between his relationship with Amanda and his calling as a vicar, and the fact that he and Amanda must face Guy, but will it be together or apart?