Thisseriesissetinthelonghotsummerof1959andweddingseasonisinfullswingintheCambridgeshirevillageofGrantchester.                                  AstheReverendWillDavenportuniteshappycouplesinholymatrimony,DetectiveInspectiveGeordieKeatingisbusyaseverinvestigatingarangeoflocalmurdercases.Withanewdecadejustaroundthecorner,thequestionofwhatthefutureholdsisoneveryone'sminds,notleastWill's,butbeforethe50srolloverintotheswingingsixtiestherearesomecrimestosolveandsomelife-changingdecisionstobemadethatmightchangelifeinGrantchesterforever.