When medium Harold Sneed hosts a séance, Book and Inspector Bliss are drawn into an investigation of lost souls. Ihe bookshop itself comes under threat from an investigation by Sergeant Morris.

Miss Marple is faced with her greatest challenge yet when she receives instructions from a friend, the deceased Mr Rafiel, to investigate a possible crime, but she has not been told what the crime is.

James is settling back into life at home but still needs to find his feet with baby Jimmy, and Mrs Hall is caught in the middle of a falling-out between Siegfried and her new boss Mr Bosworth.

Murdoch fears that a sequential killer is targeting men from other cultures after decomposing bodies are found in a field.

James is settling back into life at home but still needs to find his feet with baby Jimmy, and Mrs Hall is caught in the middle of a falling-out between Siegfried and her new boss Mr Bosworth.

Soames dreams of fatherhood as Jolyon Jnr attempts reconciliation with the Forsytes. Despite tensions, Louisa suggests they remain in London, while Irene seeks advice.

Miss Marple is faced with her greatest challenge yet when she receives instructions from a friend, the deceased Mr Rafiel, to investigate a possible crime, but she has not been told what the crime is.

The death of a factory worker leading a strike prompts Murdoch to suspect that plans to unionise may have motivated his killer.

After reuniting with Ogden at an English inn, Murdoch meets an esteemed detective and a young gold-digger ends up dead.

A murderer is on the loose and is headed towards Gibsons; the suspect's psychiatrist notifies Alberg of the potential threat after receiving a haunting text message as Alberg launches an investigation.

It's Jimmy's christening day and everyone is determined to make it special as Helen and Mrs Hall prepare to host James's parents and Siegfried writes his godparenting speech.

Soames dreams of fatherhood as Jolyon Jnr attempts reconciliation with the Forsytes. Despite tensions, Louisa suggests they remain in London, while Irene seeks advice.

While in London, Murdoch, Ogden and Susannah are caught in a bomb explosion likely set by a now-dead suffragette.

Murdoch and Watts' attempts to protect a precious ruby destined for a new museum are undermined by determined thieves.

Detective Alberg examines the mysterious deaths of two women who were each found in a forest with their bodies arranged in eerily similar poses.

When Miss Marple learns of the deaths of businessman Rex Fortescue, his young wife Adele and their housemaid Gladys, the circumstances vividly recall the nursery rhyme 'Sing a Song of Sixpence'.

Catherine has become a mother. King Francis suffers a fall from his horse while hunting with Henri and Catherine.

Valmont seeks new terms in his deal with Camille while Camille seeks to dominate Jean.

While in London, Murdoch, Ogden and Susannah are caught in a bomb explosion likely set by a now-dead suffragette.

Murdoch and Watts' attempts to protect a precious ruby destined for a new museum are undermined by determined thieves.