Gently is retiring on a professional high when he is approached by a covert police unit with one last tantalising offer; will Gently do the unthinkable and bend the course of justice?

It's Easter 1940 and Skeldale House is busier than ever without Tristan; the war hasn't come to much as James and Helen dream about the future hoping that James won't be called up.

Chaos reigns in Skeldale House as Siegfried brings in experienced bookkeeper Miss Harbottle to bring method to their madness; she's certainly efficient, but the cracks start to show.

Busy and exhausted from lambing, James and Helen can't get any time together; meanwhile, James hires new trainee vet Richard Carmody, but things don't quite work out as he expects.

Cousins Jolyon and Soames Forsyte are rival heirs to the family firm; a chain of events will threaten the stability of their lives and each is faced with a dilemma: do your duty or follow your heart.

Lymstock is a town with more than its share of shameful secrets, but when Mona Symmington dies by suicide, Miss Marple believes that there is more to the case than meets the eye.

Dr Ogden's dream of a women's hospital is realised and then shattered when she is forced to enact a quarantine after it opens.

Murdoch investigates the murder of an up-and-coming composer as Brackenreid decides upon a new hobby of playing the cello.

Book discovers something curious in Captain Victor Orr's little black book and the source of the Princesses' threatening letters becomes clear; secrets will be revealed, and not just about the cases.

James and Helen are keeping a secret, Carmody is challenged with learning how to be a vet following a visit to Crabtree's Farm, and new farmers have a worrying illness amongst their herd.

Cousins Jolyon and Soames Forsyte are rival heirs to the family firm; a chain of events will threaten the stability of their lives and each is faced with a dilemma: do your duty or follow your heart.

When a woman is stabbed in her university dormitory room, Crabtree and Watts suspect that another student is responsible.

When a man dies in a drunken brawl at the Starbright Lounge, Murdoch's suspect is another detective.

Karl Alberg, a former big-city detective, relocates to a small coastal town to find solace only to encounter a string of murders; when a resident is bludgeoned, Alberg suspects another local resident.

Tommy and Tuppence visit an aunt in her nursing home; Tuppence is concerned by some odd behaviour of the staff and residents, and when she hears of Aunt Ada's death, she asks Miss Marple for help.

Rob risks everything to save the Miller family from Norman justice; in Westminster, Marian's fragile position at court is shaken to its core by the devastating news of her brother's death.

The death of a foreign ambassador draws Eliza into a high-stakes investigation; at the behest of the Governess, Eliza teams with Blake and a formidable woman whose intellect matches her own.

When a woman is stabbed in her university dormitory room, Crabtree and Watts suspect that another student is responsible.

When a man dies in a drunken brawl at the Starbright Lounge, Murdoch's suspect is another detective.