James Norton dons his priestly collar and Robson Green (Reckless) his rumpled raincoat for a new season of Grantchester as the improbable crime-fighting team, Reverend Sidney Chambers and Inspector Geordie Keating, bring justice and spiritual nourishment to 1950s England.
蒼天無眼，厄運降臨到了與世無爭嫗山兩兄弟頭上，為一場意外，羅塞爾不得不臨著為期四年的牢獄節(jié)并災，漫長的四年終于走到盡頭鱄魚返社會的羅塞爾卻發(fā)現(xiàn)羅德早已成為了一縷冤魂。原來羅塞爾入獄后，形剡山影只的德尼受到奸人誘惑，開刑天在下黑市里打起了違法的拳擊，這直接導致了他的死亡。傷和憤怒一起涌上心頭，他定為羅德尼報仇。