After a brief visit at Christmas, we’re back in Grantchester, where Sidney (James Norton) and Amanda (Morven Christie, recently seen in The Replacement) are closer than ever now that she’s separated and living nearby with baby Grace.

Naturally, housekeeper Mrs Maguire wastes no time in reminding Sidney, however, that there’s no future in it.

Geordie (Robson Green) thinks otherwise, but soon he and Sidney are embroiled in another murder case, which involves the killer leaving a macabre calling card.

Chillingly, it seems they’ve got their sights set on Sidney, too – an anonymous phone caller tells him: ‘Your night is coming, Mr Chambers’…