Mystery

As Judith in her friends investigate why anyone would kill the kind and respected mayor of Marlow, they find several people whose missteps were discovered by Geoffrey. 

Susan Ryeland is back in London with a job offer to edit a new Atticus Pünd novel by a younger writer. Should she take it? 

When Marlow's beloved mayor is poisoned, suspicion points to a town council member who is a gardener. 

Larry takes charge of the search for a fugitive while Alphy confronts his crisis of faith, in the series finale of Grantchester.

Patience is taken hostage in her own archives with Frankie by someone with a connection to Frankie's former boss. 

Mrs. C and Cathy are taken hostage by bank robbers in their store. The incident ends up being connected to a murder Geordie is investigating. 

A monk is found dead in a monastery, bringing the detectives into a cloistered, secretive world. 

Both Cathy and Alphy are in the building when a man is murdered, to Geordie's surprise and disappointment; both would rather Geordie didn't know they were there.

Patience investigates the death of a botanist from poisoning in a greenhouse, while her relationship with Frankie also comes to a head. 

Patience starts to doubt her relationship as she and the detectives investigate the death of a star archaeologist. 

Geordie and Leonard fight over the fate of a delinquent boy while Alphy is out of town, solving a mysterious death that occurs on his train. 

A girl with autism witnesses her father's murder at the train museum where he works as her mother also goes missing. 

Larry is showing promise under Miss Scott's tutelage as Geordie considers a promotion while also investigating the death of a lonely old lord. 

Frankie is warming to Patience as she sees her worth, and includes her in an investigation into a confounding murder that involves magic and an international jewel thief. 

When a student is found dead while preparing for a high-stakes quiz, the detectives take part in their own trivia game to try to trick a confession out of someone.