Georgiana faces a nearly impossible task in trying to find a lawyer, but help arrives from a surprising place. Lady Denham accepts a new vision for the town and spars with an old flame. Arthur makes a new friend.

Lucille struggles with her mental and emotional health; Sister Julienne is deeply concerned by an angry red rash on a patient’s breast and a referral is quickly made to St Cuthbert’s.

After confessing her true identity to an angry Johnny, Ellie unsuccessfully tries to persuade a police inspector that Frances's and Greg's deaths were linked. Drunk and abusive, Frances's husband David turns up and admits to an affair with Milena to spite his wife's infidelity. Obtaining the truth behind the murders puts Ellie into danger.

Ellie goes to Milena's workplace using a fake name under the guise of being helpful – but really looking for clues as how Milena knew Greg. Milena's business partner, Frances Shaw, confides in Ellie that her own marriage is over, as she had fallen for Milena's lover. But Ellie does not get the chance to find out the name of Frances’ lover.

When Eliza receives a bomb in the mail, she teams up with Duke, Moses and her old enemy Patrick Nash to find out who is behind the delivery.

Eliza is on the verge of earning life-changing money when she offers to help the heir to an unclaimed fortune. It’s a race against time to claim the money and Eliza will need Duke’s help, but a revelation about his personal life makes working together impossible.

Detective Fitzroy sees one of his colleagues plant evidence on a suspect. With Duke away, Fitzroy turns to Eliza for help.

Eliza is on the trail of a notorious conman and tracks him down to a hotel in a remote part of France. She believes she has finally caught Scotland Yard’s most wanted man, but she’s not the only hotel guest who wants to claim the reward.

Eliza bumps into Arabella Herbert, the girl who made her life a misery growing up. But as an adult, Arabella seems kind and considerate and everybody loves her. So when Eliza suspects she may be a criminal, no one wants to hear it, least of all Duke.

Based on the novel by the English writer Daphne Du Maurier, Jamaica Inn is a gripping mystery that tells the story of Mary Yellan, a woman who is forced to move into the ominous Jamaica Inn with her aunt and uncle. Mary must uncover the secrets of a local group of smugglers while also managing her growing attraction to the mysterious Jem Merlyn.